91969840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 128998160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 109, 199, 212, 218, 265, 398, 424, 436, 530, 545, 796, 848, 872, 995, 1060, 1090, 1592, 1744, 1990, 2120, 2180, 3184, 3980, 4240, 4360, 5777, 7960, 8720, 10547, 11554, 15920, 21094, 21691, 23108, 28885, 42188, 43382, 46216, 52735, 57770, 84376, 86764, 92432, 105470, 108455, 115540, 168752, 173528, 210940, 216910, 231080, 347056, 421880, 433820, 462160, 843760, 867640, 1149623, 1735280, 2299246, 4598492, 5748115, 9196984, 11496230, 18393968, 22992460, 45984920, 91969840]

約数ペア:

[(1, 91969840), (2, 45984920), (4, 22992460), (5, 18393968), (8, 11496230), (10, 9196984), (16, 5748115), (20, 4598492), (40, 2299246), (53, 1735280), (80, 1149623), (106, 867640), (109, 843760), (199, 462160), (212, 433820), (218, 421880), (265, 347056), (398, 231080), (424, 216910), (436, 210940), (530, 173528), (545, 168752), (796, 115540), (848, 108455), (872, 105470), (995, 92432), (1060, 86764), (1090, 84376), (1592, 57770), (1744, 52735), (1990, 46216), (2120, 43382), (2180, 42188), (3184, 28885), (3980, 23108), (4240, 21691), (4360, 21094), (5777, 15920), (7960, 11554), (8720, 10547)]