13069940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 31307472

約数和(自身を除く): 18237532

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2957, 4420, 5914, 11828, 14785, 29570, 38441, 50269, 59140, 76882, 100538, 153764, 192205, 201076, 251345, 384410, 502690, 653497, 768820, 1005380, 1306994, 2613988, 3267485, 6534970, 13069940]

約数ペア:

[(1, 13069940), (2, 6534970), (4, 3267485), (5, 2613988), (10, 1306994), (13, 1005380), (17, 768820), (20, 653497), (26, 502690), (34, 384410), (52, 251345), (65, 201076), (68, 192205), (85, 153764), (130, 100538), (170, 76882), (221, 59140), (260, 50269), (340, 38441), (442, 29570), (884, 14785), (1105, 11828), (2210, 5914), (2957, 4420)]