88891960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{76631}}^1$

素因数の和:76671

約数の個数: 32

約数和(自身を含む): 206906400

約数和(自身を除く): 118014440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 76631, 153262, 306524, 383155, 613048, 766310, 1532620, 2222299, 3065240, 4444598, 8889196, 11111495, 17778392, 22222990, 44445980, 88891960]

約数ペア:

[(1, 88891960), (2, 44445980), (4, 22222990), (5, 17778392), (8, 11111495), (10, 8889196), (20, 4444598), (29, 3065240), (40, 2222299), (58, 1532620), (116, 766310), (145, 613048), (232, 383155), (290, 306524), (580, 153262), (1160, 76631)]