61889840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2143}}^1$

素因数の和:2194

約数の個数: 60

約数和(自身を含む): 151936704

約数和(自身を除く): 90046864

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2143, 2888, 3610, 4286, 5776, 7220, 8572, 10715, 14440, 17144, 21430, 28880, 34288, 40717, 42860, 81434, 85720, 162868, 171440, 203585, 325736, 407170, 651472, 773623, 814340, 1547246, 1628680, 3094492, 3257360, 3868115, 6188984, 7736230, 12377968, 15472460, 30944920, 61889840]

約数ペア:

[(1, 61889840), (2, 30944920), (4, 15472460), (5, 12377968), (8, 7736230), (10, 6188984), (16, 3868115), (19, 3257360), (20, 3094492), (38, 1628680), (40, 1547246), (76, 814340), (80, 773623), (95, 651472), (152, 407170), (190, 325736), (304, 203585), (361, 171440), (380, 162868), (722, 85720), (760, 81434), (1444, 42860), (1520, 40717), (1805, 34288), (2143, 28880), (2888, 21430), (3610, 17144), (4286, 14440), (5776, 10715), (7220, 8572)]