40198940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 90961920

約数和(自身を除く): 50762980

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2819, 2852, 3565, 5638, 7130, 11276, 14095, 14260, 28190, 56380, 64837, 87389, 129674, 174778, 259348, 324185, 349556, 436945, 648370, 873890, 1296740, 1747780, 2009947, 4019894, 8039788, 10049735, 20099470, 40198940]

約数ペア:

[(1, 40198940), (2, 20099470), (4, 10049735), (5, 8039788), (10, 4019894), (20, 2009947), (23, 1747780), (31, 1296740), (46, 873890), (62, 648370), (92, 436945), (115, 349556), (124, 324185), (155, 259348), (230, 174778), (310, 129674), (460, 87389), (620, 64837), (713, 56380), (1426, 28190), (2819, 14260), (2852, 14095), (3565, 11276), (5638, 7130)]