64752740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 147141120

約数和(自身を除く): 82388380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 919, 1084, 1355, 1838, 2710, 3523, 3676, 4595, 5420, 7046, 9190, 11947, 14092, 17615, 18380, 23894, 35230, 47788, 59735, 70460, 119470, 238940, 249049, 498098, 996196, 1245245, 2490490, 3237637, 4980980, 6475274, 12950548, 16188185, 32376370, 64752740]

約数ペア:

[(1, 64752740), (2, 32376370), (4, 16188185), (5, 12950548), (10, 6475274), (13, 4980980), (20, 3237637), (26, 2490490), (52, 1245245), (65, 996196), (130, 498098), (260, 249049), (271, 238940), (542, 119470), (919, 70460), (1084, 59735), (1355, 47788), (1838, 35230), (2710, 23894), (3523, 18380), (3676, 17615), (4595, 14092), (5420, 11947), (7046, 9190)]