25170460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 60834816

約数和(自身を除く): 35664356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1103, 1141, 1630, 2206, 2282, 3260, 4412, 4564, 5515, 5705, 7721, 11030, 11410, 15442, 22060, 22820, 30884, 38605, 77210, 154420, 179789, 359578, 719156, 898945, 1258523, 1797890, 2517046, 3595780, 5034092, 6292615, 12585230, 25170460]

約数ペア:

[(1, 25170460), (2, 12585230), (4, 6292615), (5, 5034092), (7, 3595780), (10, 2517046), (14, 1797890), (20, 1258523), (28, 898945), (35, 719156), (70, 359578), (140, 179789), (163, 154420), (326, 77210), (652, 38605), (815, 30884), (1103, 22820), (1141, 22060), (1630, 15442), (2206, 11410), (2282, 11030), (3260, 7721), (4412, 5705), (4564, 5515)]