28788880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12409}}^1$

素因数の和:12451

約数の個数: 40

約数和(自身を含む): 69247800

約数和(自身を除く): 40458920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12409, 24818, 49636, 62045, 99272, 124090, 198544, 248180, 359861, 496360, 719722, 992720, 1439444, 1799305, 2878888, 3598610, 5757776, 7197220, 14394440, 28788880]

約数ペア:

[(1, 28788880), (2, 14394440), (4, 7197220), (5, 5757776), (8, 3598610), (10, 2878888), (16, 1799305), (20, 1439444), (29, 992720), (40, 719722), (58, 496360), (80, 359861), (116, 248180), (145, 198544), (232, 124090), (290, 99272), (464, 62045), (580, 49636), (1160, 24818), (2320, 12409)]