87291040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17599}}^1$

素因数の和:17645

約数の個数: 48

約数和(自身を含む): 212889600

約数和(自身を除く): 125598560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 17599, 35198, 70396, 87995, 140792, 175990, 281584, 351980, 545569, 563168, 703960, 1091138, 1407920, 2182276, 2727845, 2815840, 4364552, 5455690, 8729104, 10911380, 17458208, 21822760, 43645520, 87291040]

約数ペア:

[(1, 87291040), (2, 43645520), (4, 21822760), (5, 17458208), (8, 10911380), (10, 8729104), (16, 5455690), (20, 4364552), (31, 2815840), (32, 2727845), (40, 2182276), (62, 1407920), (80, 1091138), (124, 703960), (155, 563168), (160, 545569), (248, 351980), (310, 281584), (496, 175990), (620, 140792), (992, 87995), (1240, 70396), (2480, 35198), (4960, 17599)]