57210680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23447}}^1$

素因数の和:23519

約数の個数: 32

約数和(自身を含む): 130839840

約数和(自身を除く): 73629160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 23447, 46894, 93788, 117235, 187576, 234470, 468940, 937880, 1430267, 2860534, 5721068, 7151335, 11442136, 14302670, 28605340, 57210680]

約数ペア:

[(1, 57210680), (2, 28605340), (4, 14302670), (5, 11442136), (8, 7151335), (10, 5721068), (20, 2860534), (40, 1430267), (61, 937880), (122, 468940), (244, 234470), (305, 187576), (488, 117235), (610, 93788), (1220, 46894), (2440, 23447)]