38849277640

素因数分解:

$2^3\times 5^1\times {\mathrm{4357}}^1\times {\mathrm{222913}}^1$

素因数の和:227281

約数の個数: 32

約数和(自身を含む): 87431329080

約数和(自身を除く): 48582051440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4357, 8714, 17428, 21785, 34856, 43570, 87140, 174280, 222913, 445826, 891652, 1114565, 1783304, 2229130, 4458260, 8916520, 971231941, 1942463882, 3884927764, 4856159705, 7769855528, 9712319410, 19424638820, 38849277640]

約数ペア:

[(1, 38849277640), (2, 19424638820), (4, 9712319410), (5, 7769855528), (8, 4856159705), (10, 3884927764), (20, 1942463882), (40, 971231941), (4357, 8916520), (8714, 4458260), (17428, 2229130), (21785, 1783304), (34856, 1114565), (43570, 891652), (87140, 445826), (174280, 222913)]