8663260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 19111680

約数和(自身を除く): 10448420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 157, 178, 310, 314, 356, 445, 620, 628, 785, 890, 1570, 1780, 2759, 3140, 4867, 5518, 9734, 11036, 13795, 13973, 19468, 24335, 27590, 27946, 48670, 55180, 55892, 69865, 97340, 139730, 279460, 433163, 866326, 1732652, 2165815, 4331630, 8663260]

約数ペア:

[(1, 8663260), (2, 4331630), (4, 2165815), (5, 1732652), (10, 866326), (20, 433163), (31, 279460), (62, 139730), (89, 97340), (124, 69865), (155, 55892), (157, 55180), (178, 48670), (310, 27946), (314, 27590), (356, 24335), (445, 19468), (620, 13973), (628, 13795), (785, 11036), (890, 9734), (1570, 5518), (1780, 4867), (2759, 3140)]