31288480

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{691}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 74287584

約数和(自身を除く): 42999104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 691, 1132, 1382, 1415, 2264, 2764, 2830, 3455, 4528, 5528, 5660, 6910, 9056, 11056, 11320, 13820, 22112, 22640, 27640, 45280, 55280, 110560, 195553, 391106, 782212, 977765, 1564424, 1955530, 3128848, 3911060, 6257696, 7822120, 15644240, 31288480]

約数ペア:

[(1, 31288480), (2, 15644240), (4, 7822120), (5, 6257696), (8, 3911060), (10, 3128848), (16, 1955530), (20, 1564424), (32, 977765), (40, 782212), (80, 391106), (160, 195553), (283, 110560), (566, 55280), (691, 45280), (1132, 27640), (1382, 22640), (1415, 22112), (2264, 13820), (2764, 11320), (2830, 11056), (3455, 9056), (4528, 6910), (5528, 5660)]