39908780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 48150100

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1091, 1180, 1829, 2182, 3658, 4364, 5455, 7316, 9145, 10910, 18290, 21820, 33821, 36580, 64369, 67642, 128738, 135284, 169105, 257476, 321845, 338210, 643690, 676420, 1287380, 1995439, 3990878, 7981756, 9977195, 19954390, 39908780]

約数ペア:

[(1, 39908780), (2, 19954390), (4, 9977195), (5, 7981756), (10, 3990878), (20, 1995439), (31, 1287380), (59, 676420), (62, 643690), (118, 338210), (124, 321845), (155, 257476), (236, 169105), (295, 135284), (310, 128738), (590, 67642), (620, 64369), (1091, 36580), (1180, 33821), (1829, 21820), (2182, 18290), (3658, 10910), (4364, 9145), (5455, 7316)]