145296080

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1409}}^1$

素因数の和:2711

約数の個数: 40

約数和(自身を含む): 338315400

約数和(自身を除く): 193019320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 1409, 2578, 2818, 5156, 5636, 6445, 7045, 10312, 11272, 12890, 14090, 20624, 22544, 25780, 28180, 51560, 56360, 103120, 112720, 1816201, 3632402, 7264804, 9081005, 14529608, 18162010, 29059216, 36324020, 72648040, 145296080]

約数ペア:

[(1, 145296080), (2, 72648040), (4, 36324020), (5, 29059216), (8, 18162010), (10, 14529608), (16, 9081005), (20, 7264804), (40, 3632402), (80, 1816201), (1289, 112720), (1409, 103120), (2578, 56360), (2818, 51560), (5156, 28180), (5636, 25780), (6445, 22544), (7045, 20624), (10312, 14090), (11272, 12890)]