157894160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{63667}}^1$

素因数の和:63711

約数の個数: 40

約数和(自身を含む): 378951936

約数和(自身を除く): 221057776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 63667, 127334, 254668, 318335, 509336, 636670, 1018672, 1273340, 1973677, 2546680, 3947354, 5093360, 7894708, 9868385, 15789416, 19736770, 31578832, 39473540, 78947080, 157894160]

約数ペア:

[(1, 157894160), (2, 78947080), (4, 39473540), (5, 31578832), (8, 19736770), (10, 15789416), (16, 9868385), (20, 7894708), (31, 5093360), (40, 3947354), (62, 2546680), (80, 1973677), (124, 1273340), (155, 1018672), (248, 636670), (310, 509336), (496, 318335), (620, 254668), (1240, 127334), (2480, 63667)]