71303720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57503}}^1$

素因数の和:57545

約数の個数: 32

約数和(自身を含む): 165611520

約数和(自身を除く): 94307800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57503, 115006, 230012, 287515, 460024, 575030, 1150060, 1782593, 2300120, 3565186, 7130372, 8912965, 14260744, 17825930, 35651860, 71303720]

約数ペア:

[(1, 71303720), (2, 35651860), (4, 17825930), (5, 14260744), (8, 8912965), (10, 7130372), (20, 3565186), (31, 2300120), (40, 1782593), (62, 1150060), (124, 575030), (155, 460024), (248, 287515), (310, 230012), (620, 115006), (1240, 57503)]