20161956400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{115343}}^1$

素因数の和:115403

約数の個数: 120

約数和(自身を含む): 53205880320

約数和(自身を除く): 33043923920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 76, 80, 92, 95, 100, 115, 152, 184, 190, 200, 230, 304, 368, 380, 400, 437, 460, 475, 575, 760, 874, 920, 950, 1150, 1520, 1748, 1840, 1900, 2185, 2300, 3496, 3800, 4370, 4600, 6992, 7600, 8740, 9200, 10925, 17480, 21850, 34960, 43700, 87400, 115343, 174800, 230686, 461372, 576715, 922744, 1153430, 1845488, 2191517, 2306860, 2652889, 2883575, 4383034, 4613720, 5305778, 5767150, 8766068, 9227440, 10611556, 10957585, 11534300, 13264445, 17532136, 21223112, 21915170, 23068600, 26528890, 35064272, 42446224, 43830340, 46137200, 50404891, 53057780, 54787925, 66322225, 87660680, 100809782, 106115560, 109575850, 132644450, 175321360, 201619564, 212231120, 219151700, 252024455, 265288900, 403239128, 438303400, 504048910, 530577800, 806478256, 876606800, 1008097820, 1061155600, 1260122275, 2016195640, 2520244550, 4032391280, 5040489100, 10080978200, 20161956400]

約数ペア:

[(1, 20161956400), (2, 10080978200), (4, 5040489100), (5, 4032391280), (8, 2520244550), (10, 2016195640), (16, 1260122275), (19, 1061155600), (20, 1008097820), (23, 876606800), (25, 806478256), (38, 530577800), (40, 504048910), (46, 438303400), (50, 403239128), (76, 265288900), (80, 252024455), (92, 219151700), (95, 212231120), (100, 201619564), (115, 175321360), (152, 132644450), (184, 109575850), (190, 106115560), (200, 100809782), (230, 87660680), (304, 66322225), (368, 54787925), (380, 53057780), (400, 50404891), (437, 46137200), (460, 43830340), (475, 42446224), (575, 35064272), (760, 26528890), (874, 23068600), (920, 21915170), (950, 21223112), (1150, 17532136), (1520, 13264445), (1748, 11534300), (1840, 10957585), (1900, 10611556), (2185, 9227440), (2300, 8766068), (3496, 5767150), (3800, 5305778), (4370, 4613720), (4600, 4383034), (6992, 2883575), (7600, 2652889), (8740, 2306860), (9200, 2191517), (10925, 1845488), (17480, 1153430), (21850, 922744), (34960, 576715), (43700, 461372), (87400, 230686), (115343, 174800)]