7905620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 17611776

約数和(自身を除く): 9706156

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 311, 410, 620, 622, 820, 1244, 1271, 1555, 2542, 3110, 5084, 6220, 6355, 9641, 12710, 12751, 19282, 25420, 25502, 38564, 48205, 51004, 63755, 96410, 127510, 192820, 255020, 395281, 790562, 1581124, 1976405, 3952810, 7905620]

約数ペア:

[(1, 7905620), (2, 3952810), (4, 1976405), (5, 1581124), (10, 790562), (20, 395281), (31, 255020), (41, 192820), (62, 127510), (82, 96410), (124, 63755), (155, 51004), (164, 48205), (205, 38564), (310, 25502), (311, 25420), (410, 19282), (620, 12751), (622, 12710), (820, 9641), (1244, 6355), (1271, 6220), (1555, 5084), (2542, 3110)]