85078880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1072

約数の個数: 96

約数和(自身を含む): 219905280

約数和(自身を除く): 134826400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 496, 527, 544, 620, 680, 992, 1009, 1054, 1240, 1360, 2018, 2108, 2480, 2635, 2720, 4036, 4216, 4960, 5045, 5270, 8072, 8432, 10090, 10540, 16144, 16864, 17153, 20180, 21080, 31279, 32288, 34306, 40360, 42160, 62558, 68612, 80720, 84320, 85765, 125116, 137224, 156395, 161440, 171530, 250232, 274448, 312790, 343060, 500464, 531743, 548896, 625580, 686120, 1000928, 1063486, 1251160, 1372240, 2126972, 2502320, 2658715, 2744480, 4253944, 5004640, 5317430, 8507888, 10634860, 17015776, 21269720, 42539440, 85078880]

約数ペア:

[(1, 85078880), (2, 42539440), (4, 21269720), (5, 17015776), (8, 10634860), (10, 8507888), (16, 5317430), (17, 5004640), (20, 4253944), (31, 2744480), (32, 2658715), (34, 2502320), (40, 2126972), (62, 1372240), (68, 1251160), (80, 1063486), (85, 1000928), (124, 686120), (136, 625580), (155, 548896), (160, 531743), (170, 500464), (248, 343060), (272, 312790), (310, 274448), (340, 250232), (496, 171530), (527, 161440), (544, 156395), (620, 137224), (680, 125116), (992, 85765), (1009, 84320), (1054, 80720), (1240, 68612), (1360, 62558), (2018, 42160), (2108, 40360), (2480, 34306), (2635, 32288), (2720, 31279), (4036, 21080), (4216, 20180), (4960, 17153), (5045, 16864), (5270, 16144), (8072, 10540), (8432, 10090)]