43191980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{613}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 98200704

約数和(自身を除く): 55008724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 613, 1084, 1226, 1355, 2452, 2710, 3065, 3523, 5420, 6130, 7046, 7969, 12260, 14092, 15938, 17615, 31876, 35230, 39845, 70460, 79690, 159380, 166123, 332246, 664492, 830615, 1661230, 2159599, 3322460, 4319198, 8638396, 10797995, 21595990, 43191980]

約数ペア:

[(1, 43191980), (2, 21595990), (4, 10797995), (5, 8638396), (10, 4319198), (13, 3322460), (20, 2159599), (26, 1661230), (52, 830615), (65, 664492), (130, 332246), (260, 166123), (271, 159380), (542, 79690), (613, 70460), (1084, 39845), (1226, 35230), (1355, 31876), (2452, 17615), (2710, 15938), (3065, 14092), (3523, 12260), (5420, 7969), (6130, 7046)]