8870120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 23155200

約数和(自身を除く): 14285080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 401, 553, 632, 790, 802, 1106, 1580, 1604, 2005, 2212, 2765, 2807, 3160, 3208, 4010, 4424, 5530, 5614, 8020, 11060, 11228, 14035, 16040, 22120, 22456, 28070, 31679, 56140, 63358, 112280, 126716, 158395, 221753, 253432, 316790, 443506, 633580, 887012, 1108765, 1267160, 1774024, 2217530, 4435060, 8870120]

約数ペア:

[(1, 8870120), (2, 4435060), (4, 2217530), (5, 1774024), (7, 1267160), (8, 1108765), (10, 887012), (14, 633580), (20, 443506), (28, 316790), (35, 253432), (40, 221753), (56, 158395), (70, 126716), (79, 112280), (140, 63358), (158, 56140), (280, 31679), (316, 28070), (395, 22456), (401, 22120), (553, 16040), (632, 14035), (790, 11228), (802, 11060), (1106, 8020), (1580, 5614), (1604, 5530), (2005, 4424), (2212, 4010), (2765, 3208), (2807, 3160)]