31974640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12893}}^1$

素因数の和:12937

約数の個数: 40

約数和(自身を含む): 76745088

約数和(自身を除く): 44770448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12893, 25786, 51572, 64465, 103144, 128930, 206288, 257860, 399683, 515720, 799366, 1031440, 1598732, 1998415, 3197464, 3996830, 6394928, 7993660, 15987320, 31974640]

約数ペア:

[(1, 31974640), (2, 15987320), (4, 7993660), (5, 6394928), (8, 3996830), (10, 3197464), (16, 1998415), (20, 1598732), (31, 1031440), (40, 799366), (62, 515720), (80, 399683), (124, 257860), (155, 206288), (248, 128930), (310, 103144), (496, 64465), (620, 51572), (1240, 25786), (2480, 12893)]