89686840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6211}}^1$

素因数の和:6260

約数の個数: 48

約数和(自身を含む): 213009480

約数和(自身を除く): 123322640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 6211, 7220, 12422, 14440, 24844, 31055, 49688, 62110, 118009, 124220, 236018, 248440, 472036, 590045, 944072, 1180090, 2242171, 2360180, 4484342, 4720360, 8968684, 11210855, 17937368, 22421710, 44843420, 89686840]

約数ペア:

[(1, 89686840), (2, 44843420), (4, 22421710), (5, 17937368), (8, 11210855), (10, 8968684), (19, 4720360), (20, 4484342), (38, 2360180), (40, 2242171), (76, 1180090), (95, 944072), (152, 590045), (190, 472036), (361, 248440), (380, 236018), (722, 124220), (760, 118009), (1444, 62110), (1805, 49688), (2888, 31055), (3610, 24844), (6211, 14440), (7220, 12422)]