9012380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 21591360

約数和(自身を除く): 12578980

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, 2039, 2210, 4078, 4420, 8156, 10195, 20390, 26507, 34663, 40780, 53014, 69326, 106028, 132535, 138652, 173315, 265070, 346630, 450619, 530140, 693260, 901238, 1802476, 2253095, 4506190, 9012380]

約数ペア:

[(1, 9012380), (2, 4506190), (4, 2253095), (5, 1802476), (10, 901238), (13, 693260), (17, 530140), (20, 450619), (26, 346630), (34, 265070), (52, 173315), (65, 138652), (68, 132535), (85, 106028), (130, 69326), (170, 53014), (221, 40780), (260, 34663), (340, 26507), (442, 20390), (884, 10195), (1105, 8156), (2039, 4420), (2210, 4078)]