42399560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{929}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 109814400

約数和(自身を除く): 67414840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 929, 1141, 1304, 1630, 1858, 2282, 3260, 3716, 4564, 4645, 5705, 6503, 6520, 7432, 9128, 9290, 11410, 13006, 18580, 22820, 26012, 32515, 37160, 45640, 52024, 65030, 130060, 151427, 260120, 302854, 605708, 757135, 1059989, 1211416, 1514270, 2119978, 3028540, 4239956, 5299945, 6057080, 8479912, 10599890, 21199780, 42399560]

約数ペア:

[(1, 42399560), (2, 21199780), (4, 10599890), (5, 8479912), (7, 6057080), (8, 5299945), (10, 4239956), (14, 3028540), (20, 2119978), (28, 1514270), (35, 1211416), (40, 1059989), (56, 757135), (70, 605708), (140, 302854), (163, 260120), (280, 151427), (326, 130060), (652, 65030), (815, 52024), (929, 45640), (1141, 37160), (1304, 32515), (1630, 26012), (1858, 22820), (2282, 18580), (3260, 13006), (3716, 11410), (4564, 9290), (4645, 9128), (5705, 7432), (6503, 6520)]