27546580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 61810560

約数和(自身を除く): 34263980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1021, 1349, 1420, 2042, 2698, 4084, 5105, 5396, 6745, 10210, 13490, 19399, 20420, 26980, 38798, 72491, 77596, 96995, 144982, 193990, 289964, 362455, 387980, 724910, 1377329, 1449820, 2754658, 5509316, 6886645, 13773290, 27546580]

約数ペア:

[(1, 27546580), (2, 13773290), (4, 6886645), (5, 5509316), (10, 2754658), (19, 1449820), (20, 1377329), (38, 724910), (71, 387980), (76, 362455), (95, 289964), (142, 193990), (190, 144982), (284, 96995), (355, 77596), (380, 72491), (710, 38798), (1021, 26980), (1349, 20420), (1420, 19399), (2042, 13490), (2698, 10210), (4084, 6745), (5105, 5396)]