64154350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 129366720

約数和(自身を除く): 65212370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 229, 325, 431, 458, 650, 862, 1145, 2155, 2290, 2977, 4310, 5603, 5725, 5954, 10775, 11206, 11450, 14885, 21550, 28015, 29770, 56030, 74425, 98699, 140075, 148850, 197398, 280150, 493495, 986990, 1283087, 2467475, 2566174, 4934950, 6415435, 12830870, 32077175, 64154350]

約数ペア:

[(1, 64154350), (2, 32077175), (5, 12830870), (10, 6415435), (13, 4934950), (25, 2566174), (26, 2467475), (50, 1283087), (65, 986990), (130, 493495), (229, 280150), (325, 197398), (431, 148850), (458, 140075), (650, 98699), (862, 74425), (1145, 56030), (2155, 29770), (2290, 28015), (2977, 21550), (4310, 14885), (5603, 11450), (5725, 11206), (5954, 10775)]