8117180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 18416160

約数和(自身を除く): 10298980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 521, 779, 820, 1042, 1558, 2084, 2605, 3116, 3895, 5210, 7790, 9899, 10420, 15580, 19798, 21361, 39596, 42722, 49495, 85444, 98990, 106805, 197980, 213610, 405859, 427220, 811718, 1623436, 2029295, 4058590, 8117180]

約数ペア:

[(1, 8117180), (2, 4058590), (4, 2029295), (5, 1623436), (10, 811718), (19, 427220), (20, 405859), (38, 213610), (41, 197980), (76, 106805), (82, 98990), (95, 85444), (164, 49495), (190, 42722), (205, 39596), (380, 21361), (410, 19798), (521, 15580), (779, 10420), (820, 9899), (1042, 7790), (1558, 5210), (2084, 3895), (2605, 3116)]