55840540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2447}}^1$

素因数の和:2626

約数の個数: 48

約数和(自身を含む): 134894592

約数和(自身を除く): 79054052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 2447, 3260, 4564, 4894, 5705, 9788, 11410, 12235, 17129, 22820, 24470, 34258, 48940, 68516, 85645, 171290, 342580, 398861, 797722, 1595444, 1994305, 2792027, 3988610, 5584054, 7977220, 11168108, 13960135, 27920270, 55840540]

約数ペア:

[(1, 55840540), (2, 27920270), (4, 13960135), (5, 11168108), (7, 7977220), (10, 5584054), (14, 3988610), (20, 2792027), (28, 1994305), (35, 1595444), (70, 797722), (140, 398861), (163, 342580), (326, 171290), (652, 85645), (815, 68516), (1141, 48940), (1630, 34258), (2282, 24470), (2447, 22820), (3260, 17129), (4564, 12235), (4894, 11410), (5705, 9788)]