12830870

素因数分解:

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

素因数の和:680

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 12207850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 431, 458, 862, 1145, 2155, 2290, 2977, 4310, 5603, 5954, 11206, 14885, 28015, 29770, 56030, 98699, 197398, 493495, 986990, 1283087, 2566174, 6415435, 12830870]

約数ペア:

[(1, 12830870), (2, 6415435), (5, 2566174), (10, 1283087), (13, 986990), (26, 493495), (65, 197398), (130, 98699), (229, 56030), (431, 29770), (458, 28015), (862, 14885), (1145, 11206), (2155, 5954), (2290, 5603), (2977, 4310)]