41540720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 105930720

約数和(自身を除く): 64390000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 677, 767, 944, 1040, 1180, 1354, 1534, 2360, 2708, 3068, 3385, 3835, 4720, 5416, 6136, 6770, 7670, 8801, 10832, 12272, 13540, 15340, 17602, 27080, 30680, 35204, 39943, 44005, 54160, 61360, 70408, 79886, 88010, 140816, 159772, 176020, 199715, 319544, 352040, 399430, 519259, 639088, 704080, 798860, 1038518, 1597720, 2077036, 2596295, 3195440, 4154072, 5192590, 8308144, 10385180, 20770360, 41540720]

約数ペア:

[(1, 41540720), (2, 20770360), (4, 10385180), (5, 8308144), (8, 5192590), (10, 4154072), (13, 3195440), (16, 2596295), (20, 2077036), (26, 1597720), (40, 1038518), (52, 798860), (59, 704080), (65, 639088), (80, 519259), (104, 399430), (118, 352040), (130, 319544), (208, 199715), (236, 176020), (260, 159772), (295, 140816), (472, 88010), (520, 79886), (590, 70408), (677, 61360), (767, 54160), (944, 44005), (1040, 39943), (1180, 35204), (1354, 30680), (1534, 27080), (2360, 17602), (2708, 15340), (3068, 13540), (3385, 12272), (3835, 10832), (4720, 8801), (5416, 7670), (6136, 6770)]