84280625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 132257664

約数和(自身を除く): 47977039

約数列:

[1, 5, 11, 13, 23, 25, 41, 55, 65, 115, 125, 143, 205, 253, 275, 299, 325, 451, 533, 575, 625, 715, 943, 1025, 1265, 1375, 1495, 1625, 2255, 2665, 2875, 3289, 3575, 4715, 5125, 5863, 6325, 6875, 7475, 8125, 10373, 11275, 12259, 13325, 14375, 16445, 17875, 23575, 25625, 29315, 31625, 37375, 51865, 56375, 61295, 66625, 82225, 89375, 117875, 134849, 146575, 158125, 186875, 259325, 281875, 306475, 333125, 411125, 589375, 674245, 732875, 1296625, 1532375, 2055625, 3371225, 3664375, 6483125, 7661875, 16856125, 84280625]

約数ペア:

[(1, 84280625), (5, 16856125), (11, 7661875), (13, 6483125), (23, 3664375), (25, 3371225), (41, 2055625), (55, 1532375), (65, 1296625), (115, 732875), (125, 674245), (143, 589375), (205, 411125), (253, 333125), (275, 306475), (299, 281875), (325, 259325), (451, 186875), (533, 158125), (575, 146575), (625, 134849), (715, 117875), (943, 89375), (1025, 82225), (1265, 66625), (1375, 61295), (1495, 56375), (1625, 51865), (2255, 37375), (2665, 31625), (2875, 29315), (3289, 25625), (3575, 23575), (4715, 17875), (5125, 16445), (5863, 14375), (6325, 13325), (6875, 12259), (7475, 11275), (8125, 10373)]