25523420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1103}}^1$

素因数の和:1214

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 32900260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1103, 1157, 1780, 2206, 2314, 4412, 4628, 5515, 5785, 11030, 11570, 14339, 22060, 23140, 28678, 57356, 71695, 98167, 143390, 196334, 286780, 392668, 490835, 981670, 1276171, 1963340, 2552342, 5104684, 6380855, 12761710, 25523420]

約数ペア:

[(1, 25523420), (2, 12761710), (4, 6380855), (5, 5104684), (10, 2552342), (13, 1963340), (20, 1276171), (26, 981670), (52, 490835), (65, 392668), (89, 286780), (130, 196334), (178, 143390), (260, 98167), (356, 71695), (445, 57356), (890, 28678), (1103, 23140), (1157, 22060), (1780, 14339), (2206, 11570), (2314, 11030), (4412, 5785), (4628, 5515)]