31084720

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1373}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 72580176

約数和(自身を除く): 41495456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1373, 1415, 2264, 2746, 2830, 4528, 5492, 5660, 6865, 10984, 11320, 13730, 21968, 22640, 27460, 54920, 109840, 388559, 777118, 1554236, 1942795, 3108472, 3885590, 6216944, 7771180, 15542360, 31084720]

約数ペア:

[(1, 31084720), (2, 15542360), (4, 7771180), (5, 6216944), (8, 3885590), (10, 3108472), (16, 1942795), (20, 1554236), (40, 777118), (80, 388559), (283, 109840), (566, 54920), (1132, 27460), (1373, 22640), (1415, 21968), (2264, 13730), (2746, 11320), (2830, 10984), (4528, 6865), (5492, 5660)]