9207280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 21721824

約数和(自身を除く): 12514544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1621, 2840, 3242, 5680, 6484, 8105, 12968, 16210, 25936, 32420, 64840, 115091, 129680, 230182, 460364, 575455, 920728, 1150910, 1841456, 2301820, 4603640, 9207280]

約数ペア:

[(1, 9207280), (2, 4603640), (4, 2301820), (5, 1841456), (8, 1150910), (10, 920728), (16, 575455), (20, 460364), (40, 230182), (71, 129680), (80, 115091), (142, 64840), (284, 32420), (355, 25936), (568, 16210), (710, 12968), (1136, 8105), (1420, 6484), (1621, 5680), (2840, 3242)]