74879960

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1889}}^1$

素因数の和:2891

約数の個数: 32

約数和(自身を含む): 168739200

約数和(自身を除く): 93859240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1889, 1982, 3778, 3964, 4955, 7556, 7928, 9445, 9910, 15112, 18890, 19820, 37780, 39640, 75560, 1871999, 3743998, 7487996, 9359995, 14975992, 18719990, 37439980, 74879960]

約数ペア:

[(1, 74879960), (2, 37439980), (4, 18719990), (5, 14975992), (8, 9359995), (10, 7487996), (20, 3743998), (40, 1871999), (991, 75560), (1889, 39640), (1982, 37780), (3778, 19820), (3964, 18890), (4955, 15112), (7556, 9910), (7928, 9445)]