16553560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 40953600

約数和(自身を除く): 24400040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 947, 1748, 1894, 2185, 3496, 3788, 4370, 4735, 7576, 8740, 9470, 17480, 17993, 18940, 21781, 35986, 37880, 43562, 71972, 87124, 89965, 108905, 143944, 174248, 179930, 217810, 359860, 413839, 435620, 719720, 827678, 871240, 1655356, 2069195, 3310712, 4138390, 8276780, 16553560]

約数ペア:

[(1, 16553560), (2, 8276780), (4, 4138390), (5, 3310712), (8, 2069195), (10, 1655356), (19, 871240), (20, 827678), (23, 719720), (38, 435620), (40, 413839), (46, 359860), (76, 217810), (92, 179930), (95, 174248), (115, 143944), (152, 108905), (184, 89965), (190, 87124), (230, 71972), (380, 43562), (437, 37880), (460, 35986), (760, 21781), (874, 18940), (920, 17993), (947, 17480), (1748, 9470), (1894, 8740), (2185, 7576), (3496, 4735), (3788, 4370)]