23709980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 33598180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1039, 1141, 1630, 2078, 2282, 3260, 4156, 4564, 5195, 5705, 7273, 10390, 11410, 14546, 20780, 22820, 29092, 36365, 72730, 145460, 169357, 338714, 677428, 846785, 1185499, 1693570, 2370998, 3387140, 4741996, 5927495, 11854990, 23709980]

約数ペア:

[(1, 23709980), (2, 11854990), (4, 5927495), (5, 4741996), (7, 3387140), (10, 2370998), (14, 1693570), (20, 1185499), (28, 846785), (35, 677428), (70, 338714), (140, 169357), (163, 145460), (326, 72730), (652, 36365), (815, 29092), (1039, 22820), (1141, 20780), (1630, 14546), (2078, 11410), (2282, 10390), (3260, 7273), (4156, 5705), (4564, 5195)]