39966440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 93864960

約数和(自身を除く): 53898520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 193, 248, 310, 334, 386, 620, 668, 772, 835, 965, 1240, 1336, 1544, 1670, 1930, 3340, 3860, 5177, 5983, 6680, 7720, 10354, 11966, 20708, 23932, 25885, 29915, 32231, 41416, 47864, 51770, 59830, 64462, 103540, 119660, 128924, 161155, 207080, 239320, 257848, 322310, 644620, 999161, 1289240, 1998322, 3996644, 4995805, 7993288, 9991610, 19983220, 39966440]

約数ペア:

[(1, 39966440), (2, 19983220), (4, 9991610), (5, 7993288), (8, 4995805), (10, 3996644), (20, 1998322), (31, 1289240), (40, 999161), (62, 644620), (124, 322310), (155, 257848), (167, 239320), (193, 207080), (248, 161155), (310, 128924), (334, 119660), (386, 103540), (620, 64462), (668, 59830), (772, 51770), (835, 47864), (965, 41416), (1240, 32231), (1336, 29915), (1544, 25885), (1670, 23932), (1930, 20708), (3340, 11966), (3860, 10354), (5177, 7720), (5983, 6680)]