9005620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 21450240

約数和(自身を除く): 12444620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1823, 2470, 3646, 4940, 7292, 9115, 18230, 23699, 34637, 36460, 47398, 69274, 94796, 118495, 138548, 173185, 236990, 346370, 450281, 473980, 692740, 900562, 1801124, 2251405, 4502810, 9005620]

約数ペア:

[(1, 9005620), (2, 4502810), (4, 2251405), (5, 1801124), (10, 900562), (13, 692740), (19, 473980), (20, 450281), (26, 346370), (38, 236990), (52, 173185), (65, 138548), (76, 118495), (95, 94796), (130, 69274), (190, 47398), (247, 36460), (260, 34637), (380, 23699), (494, 18230), (988, 9115), (1235, 7292), (1823, 4940), (2470, 3646)]