13045780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3160

約数の個数: 48

約数和(自身を含む): 31469760

約数和(自身を除く): 18423980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 3121, 4180, 6242, 12484, 15605, 31210, 34331, 59299, 62420, 68662, 118598, 137324, 171655, 237196, 296495, 343310, 592990, 652289, 686620, 1185980, 1304578, 2609156, 3261445, 6522890, 13045780]

約数ペア:

[(1, 13045780), (2, 6522890), (4, 3261445), (5, 2609156), (10, 1304578), (11, 1185980), (19, 686620), (20, 652289), (22, 592990), (38, 343310), (44, 296495), (55, 237196), (76, 171655), (95, 137324), (110, 118598), (190, 68662), (209, 62420), (220, 59299), (380, 34331), (418, 31210), (836, 15605), (1045, 12484), (2090, 6242), (3121, 4180)]