4388800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:246

約数の個数: 84

約数和(自身を含む): 11685016

約数和(自身を除く): 7296216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 211, 260, 320, 325, 400, 416, 422, 520, 650, 800, 832, 844, 1040, 1055, 1300, 1600, 1688, 2080, 2110, 2600, 2743, 3376, 4160, 4220, 5200, 5275, 5486, 6752, 8440, 10400, 10550, 10972, 13504, 13715, 16880, 20800, 21100, 21944, 27430, 33760, 42200, 43888, 54860, 67520, 68575, 84400, 87776, 109720, 137150, 168800, 175552, 219440, 274300, 337600, 438880, 548600, 877760, 1097200, 2194400, 4388800]

約数ペア:

[(1, 4388800), (2, 2194400), (4, 1097200), (5, 877760), (8, 548600), (10, 438880), (13, 337600), (16, 274300), (20, 219440), (25, 175552), (26, 168800), (32, 137150), (40, 109720), (50, 87776), (52, 84400), (64, 68575), (65, 67520), (80, 54860), (100, 43888), (104, 42200), (130, 33760), (160, 27430), (200, 21944), (208, 21100), (211, 20800), (260, 16880), (320, 13715), (325, 13504), (400, 10972), (416, 10550), (422, 10400), (520, 8440), (650, 6752), (800, 5486), (832, 5275), (844, 5200), (1040, 4220), (1055, 4160), (1300, 3376), (1600, 2743), (1688, 2600), (2080, 2110)]