40960660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{613}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 93146256

約数和(自身を除く): 52185596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 613, 1028, 1226, 1285, 2452, 2570, 3065, 3341, 5140, 6130, 6682, 7969, 12260, 13364, 15938, 16705, 31876, 33410, 39845, 66820, 79690, 157541, 159380, 315082, 630164, 787705, 1575410, 2048033, 3150820, 4096066, 8192132, 10240165, 20480330, 40960660]

約数ペア:

[(1, 40960660), (2, 20480330), (4, 10240165), (5, 8192132), (10, 4096066), (13, 3150820), (20, 2048033), (26, 1575410), (52, 787705), (65, 630164), (130, 315082), (257, 159380), (260, 157541), (514, 79690), (613, 66820), (1028, 39845), (1226, 33410), (1285, 31876), (2452, 16705), (2570, 15938), (3065, 13364), (3341, 12260), (5140, 7969), (6130, 6682)]