8886020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 22135680

約数和(自身を除く): 13249660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 239, 260, 286, 338, 478, 572, 676, 715, 845, 956, 1195, 1430, 1690, 1859, 2390, 2629, 2860, 3107, 3380, 3718, 4780, 5258, 6214, 7436, 9295, 10516, 12428, 13145, 15535, 18590, 26290, 31070, 34177, 37180, 40391, 52580, 62140, 68354, 80782, 136708, 161564, 170885, 201955, 341770, 403910, 444301, 683540, 807820, 888602, 1777204, 2221505, 4443010, 8886020]

約数ペア:

[(1, 8886020), (2, 4443010), (4, 2221505), (5, 1777204), (10, 888602), (11, 807820), (13, 683540), (20, 444301), (22, 403910), (26, 341770), (44, 201955), (52, 170885), (55, 161564), (65, 136708), (110, 80782), (130, 68354), (143, 62140), (169, 52580), (220, 40391), (239, 37180), (260, 34177), (286, 31070), (338, 26290), (478, 18590), (572, 15535), (676, 13145), (715, 12428), (845, 10516), (956, 9295), (1195, 7436), (1430, 6214), (1690, 5258), (1859, 4780), (2390, 3718), (2629, 3380), (2860, 3107)]