11878280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 26919000

約数和(自身を除く): 15040720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 1993, 2980, 3986, 5960, 7972, 9965, 15944, 19930, 39860, 79720, 296957, 593914, 1187828, 1484785, 2375656, 2969570, 5939140, 11878280]

約数ペア:

[(1, 11878280), (2, 5939140), (4, 2969570), (5, 2375656), (8, 1484785), (10, 1187828), (20, 593914), (40, 296957), (149, 79720), (298, 39860), (596, 19930), (745, 15944), (1192, 9965), (1490, 7972), (1993, 5960), (2980, 3986)]