1320503750

素因数分解:

$2^1\times 5^4\times {\mathrm{163}}^1\times {\mathrm{6481}}^1$

素因数の和:6666

約数の個数: 40

約数和(自身を含む): 2490721464

約数和(自身を除く): 1170217714

約数列:

[1, 2, 5, 10, 25, 50, 125, 163, 250, 326, 625, 815, 1250, 1630, 4075, 6481, 8150, 12962, 20375, 32405, 40750, 64810, 101875, 162025, 203750, 324050, 810125, 1056403, 1620250, 2112806, 4050625, 5282015, 8101250, 10564030, 26410075, 52820150, 132050375, 264100750, 660251875, 1320503750]

約数ペア:

[(1, 1320503750), (2, 660251875), (5, 264100750), (10, 132050375), (25, 52820150), (50, 26410075), (125, 10564030), (163, 8101250), (250, 5282015), (326, 4050625), (625, 2112806), (815, 1620250), (1250, 1056403), (1630, 810125), (4075, 324050), (6481, 203750), (8150, 162025), (12962, 101875), (20375, 64810), (32405, 40750)]