8308040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 20258100

約数和(自身を除く): 11950060

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1229, 1352, 1690, 2458, 3380, 4916, 6145, 6760, 9832, 12290, 15977, 24580, 31954, 49160, 63908, 79885, 127816, 159770, 207701, 319540, 415402, 639080, 830804, 1038505, 1661608, 2077010, 4154020, 8308040]

約数ペア:

[(1, 8308040), (2, 4154020), (4, 2077010), (5, 1661608), (8, 1038505), (10, 830804), (13, 639080), (20, 415402), (26, 319540), (40, 207701), (52, 159770), (65, 127816), (104, 79885), (130, 63908), (169, 49160), (260, 31954), (338, 24580), (520, 15977), (676, 12290), (845, 9832), (1229, 6760), (1352, 6145), (1690, 4916), (2458, 3380)]