25323740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 57703968

約数和(自身を除く): 32380228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 563, 692, 865, 1126, 1730, 2249, 2252, 2815, 3460, 4498, 5630, 7319, 8996, 11245, 11260, 14638, 22490, 29276, 36595, 44980, 73190, 97399, 146380, 194798, 389596, 486995, 973990, 1266187, 1947980, 2532374, 5064748, 6330935, 12661870, 25323740]

約数ペア:

[(1, 25323740), (2, 12661870), (4, 6330935), (5, 5064748), (10, 2532374), (13, 1947980), (20, 1266187), (26, 973990), (52, 486995), (65, 389596), (130, 194798), (173, 146380), (260, 97399), (346, 73190), (563, 44980), (692, 36595), (865, 29276), (1126, 22490), (1730, 14638), (2249, 11260), (2252, 11245), (2815, 8996), (3460, 7319), (4498, 5630)]