56915380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2239}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 126443520

約数和(自身を除く): 69528140

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2239, 2542, 4478, 5084, 6355, 8956, 11195, 12710, 22390, 25420, 44780, 69409, 91799, 138818, 183598, 277636, 347045, 367196, 458995, 694090, 917990, 1388180, 1835980, 2845769, 5691538, 11383076, 14228845, 28457690, 56915380]

約数ペア:

[(1, 56915380), (2, 28457690), (4, 14228845), (5, 11383076), (10, 5691538), (20, 2845769), (31, 1835980), (41, 1388180), (62, 917990), (82, 694090), (124, 458995), (155, 367196), (164, 347045), (205, 277636), (310, 183598), (410, 138818), (620, 91799), (820, 69409), (1271, 44780), (2239, 25420), (2542, 22390), (4478, 12710), (5084, 11195), (6355, 8956)]