20148160

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:893

約数の個数: 56

約数和(自身を含む): 48646080

約数和(自身を除く): 28497920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 797, 1264, 1580, 1594, 2528, 3160, 3188, 3985, 5056, 6320, 6376, 7970, 12640, 12752, 15940, 25280, 25504, 31880, 51008, 62963, 63760, 125926, 127520, 251852, 255040, 314815, 503704, 629630, 1007408, 1259260, 2014816, 2518520, 4029632, 5037040, 10074080, 20148160]

約数ペア:

[(1, 20148160), (2, 10074080), (4, 5037040), (5, 4029632), (8, 2518520), (10, 2014816), (16, 1259260), (20, 1007408), (32, 629630), (40, 503704), (64, 314815), (79, 255040), (80, 251852), (158, 127520), (160, 125926), (316, 63760), (320, 62963), (395, 51008), (632, 31880), (790, 25504), (797, 25280), (1264, 15940), (1580, 12752), (1594, 12640), (2528, 7970), (3160, 6376), (3188, 6320), (3985, 5056)]