8918840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 23405760

約数和(自身を除く): 14486920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 601, 742, 1060, 1202, 1484, 1855, 2120, 2404, 2968, 3005, 3710, 4207, 4808, 6010, 7420, 8414, 12020, 14840, 16828, 21035, 24040, 31853, 33656, 42070, 63706, 84140, 127412, 159265, 168280, 222971, 254824, 318530, 445942, 637060, 891884, 1114855, 1274120, 1783768, 2229710, 4459420, 8918840]

約数ペア:

[(1, 8918840), (2, 4459420), (4, 2229710), (5, 1783768), (7, 1274120), (8, 1114855), (10, 891884), (14, 637060), (20, 445942), (28, 318530), (35, 254824), (40, 222971), (53, 168280), (56, 159265), (70, 127412), (106, 84140), (140, 63706), (212, 42070), (265, 33656), (280, 31853), (371, 24040), (424, 21035), (530, 16828), (601, 14840), (742, 12020), (1060, 8414), (1202, 7420), (1484, 6010), (1855, 4808), (2120, 4207), (2404, 3710), (2968, 3005)]