11805820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2710

約数の個数: 48

約数和(自身を含む): 28280448

約数和(自身を除く): 16474628

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2671, 4420, 5342, 10684, 13355, 26710, 34723, 45407, 53420, 69446, 90814, 138892, 173615, 181628, 227035, 347230, 454070, 590291, 694460, 908140, 1180582, 2361164, 2951455, 5902910, 11805820]

約数ペア:

[(1, 11805820), (2, 5902910), (4, 2951455), (5, 2361164), (10, 1180582), (13, 908140), (17, 694460), (20, 590291), (26, 454070), (34, 347230), (52, 227035), (65, 181628), (68, 173615), (85, 138892), (130, 90814), (170, 69446), (221, 53420), (260, 45407), (340, 34723), (442, 26710), (884, 13355), (1105, 10684), (2210, 5342), (2671, 4420)]