140985520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4373}}^1$

素因数の和:4430

約数の個数: 80

約数和(自身を含む): 364476672

約数和(自身を除く): 223491152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4373, 6448, 8060, 8746, 16120, 17492, 21865, 32240, 34984, 43730, 56849, 69968, 87460, 113698, 135563, 174920, 227396, 271126, 284245, 349840, 454792, 542252, 568490, 677815, 909584, 1084504, 1136980, 1355630, 1762319, 2169008, 2273960, 2711260, 3524638, 4547920, 5422520, 7049276, 8811595, 10845040, 14098552, 17623190, 28197104, 35246380, 70492760, 140985520]

約数ペア:

[(1, 140985520), (2, 70492760), (4, 35246380), (5, 28197104), (8, 17623190), (10, 14098552), (13, 10845040), (16, 8811595), (20, 7049276), (26, 5422520), (31, 4547920), (40, 3524638), (52, 2711260), (62, 2273960), (65, 2169008), (80, 1762319), (104, 1355630), (124, 1136980), (130, 1084504), (155, 909584), (208, 677815), (248, 568490), (260, 542252), (310, 454792), (403, 349840), (496, 284245), (520, 271126), (620, 227396), (806, 174920), (1040, 135563), (1240, 113698), (1612, 87460), (2015, 69968), (2480, 56849), (3224, 43730), (4030, 34984), (4373, 32240), (6448, 21865), (8060, 17492), (8746, 16120)]