25897040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 66693648

約数和(自身を除く): 40796608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 673, 740, 962, 1040, 1346, 1480, 1924, 2405, 2692, 2960, 3365, 3848, 4810, 5384, 6730, 7696, 8749, 9620, 10768, 13460, 17498, 19240, 24901, 26920, 34996, 38480, 43745, 49802, 53840, 69992, 87490, 99604, 124505, 139984, 174980, 199208, 249010, 323713, 349960, 398416, 498020, 647426, 699920, 996040, 1294852, 1618565, 1992080, 2589704, 3237130, 5179408, 6474260, 12948520, 25897040]

約数ペア:

[(1, 25897040), (2, 12948520), (4, 6474260), (5, 5179408), (8, 3237130), (10, 2589704), (13, 1992080), (16, 1618565), (20, 1294852), (26, 996040), (37, 699920), (40, 647426), (52, 498020), (65, 398416), (74, 349960), (80, 323713), (104, 249010), (130, 199208), (148, 174980), (185, 139984), (208, 124505), (260, 99604), (296, 87490), (370, 69992), (481, 53840), (520, 49802), (592, 43745), (673, 38480), (740, 34996), (962, 26920), (1040, 24901), (1346, 19240), (1480, 17498), (1924, 13460), (2405, 10768), (2692, 9620), (2960, 8749), (3365, 7696), (3848, 6730), (4810, 5384)]