85847680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4377

約数の個数: 64

約数和(自身を含む): 211898880

約数和(自身を除く): 126051200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4327, 4960, 8654, 9920, 17308, 19840, 21635, 34616, 43270, 69232, 86540, 134137, 138464, 173080, 268274, 276928, 346160, 536548, 553856, 670685, 692320, 1073096, 1341370, 1384640, 2146192, 2682740, 2769280, 4292384, 5365480, 8584768, 10730960, 17169536, 21461920, 42923840, 85847680]

約数ペア:

[(1, 85847680), (2, 42923840), (4, 21461920), (5, 17169536), (8, 10730960), (10, 8584768), (16, 5365480), (20, 4292384), (31, 2769280), (32, 2682740), (40, 2146192), (62, 1384640), (64, 1341370), (80, 1073096), (124, 692320), (128, 670685), (155, 553856), (160, 536548), (248, 346160), (310, 276928), (320, 268274), (496, 173080), (620, 138464), (640, 134137), (992, 86540), (1240, 69232), (1984, 43270), (2480, 34616), (3968, 21635), (4327, 19840), (4960, 17308), (8654, 9920)]