87920960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8863}}^1$

素因数の和:8911

約数の個数: 56

約数和(自身を含む): 216139776

約数和(自身を除く): 128218816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 8863, 9920, 17726, 35452, 44315, 70904, 88630, 141808, 177260, 274753, 283616, 354520, 549506, 567232, 709040, 1099012, 1373765, 1418080, 2198024, 2747530, 2836160, 4396048, 5495060, 8792096, 10990120, 17584192, 21980240, 43960480, 87920960]

約数ペア:

[(1, 87920960), (2, 43960480), (4, 21980240), (5, 17584192), (8, 10990120), (10, 8792096), (16, 5495060), (20, 4396048), (31, 2836160), (32, 2747530), (40, 2198024), (62, 1418080), (64, 1373765), (80, 1099012), (124, 709040), (155, 567232), (160, 549506), (248, 354520), (310, 283616), (320, 274753), (496, 177260), (620, 141808), (992, 88630), (1240, 70904), (1984, 44315), (2480, 35452), (4960, 17726), (8863, 9920)]