28936640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2965

約数の個数: 56

約数和(自身を含む): 71152512

約数和(自身を除く): 42215872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 2917, 4960, 5834, 9920, 11668, 14585, 23336, 29170, 46672, 58340, 90427, 93344, 116680, 180854, 186688, 233360, 361708, 452135, 466720, 723416, 904270, 933440, 1446832, 1808540, 2893664, 3617080, 5787328, 7234160, 14468320, 28936640]

約数ペア:

[(1, 28936640), (2, 14468320), (4, 7234160), (5, 5787328), (8, 3617080), (10, 2893664), (16, 1808540), (20, 1446832), (31, 933440), (32, 904270), (40, 723416), (62, 466720), (64, 452135), (80, 361708), (124, 233360), (155, 186688), (160, 180854), (248, 116680), (310, 93344), (320, 90427), (496, 58340), (620, 46672), (992, 29170), (1240, 23336), (1984, 14585), (2480, 11668), (2917, 9920), (4960, 5834)]