80884640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 204773184

約数和(自身を除く): 123888544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 131, 136, 160, 170, 227, 262, 272, 340, 454, 524, 544, 655, 680, 908, 1048, 1135, 1310, 1360, 1816, 2096, 2227, 2270, 2620, 2720, 3632, 3859, 4192, 4454, 4540, 5240, 7264, 7718, 8908, 9080, 10480, 11135, 15436, 17816, 18160, 19295, 20960, 22270, 29737, 30872, 35632, 36320, 38590, 44540, 59474, 61744, 71264, 77180, 89080, 118948, 123488, 148685, 154360, 178160, 237896, 297370, 308720, 356320, 475792, 505529, 594740, 617440, 951584, 1011058, 1189480, 2022116, 2378960, 2527645, 4044232, 4757920, 5055290, 8088464, 10110580, 16176928, 20221160, 40442320, 80884640]

約数ペア:

[(1, 80884640), (2, 40442320), (4, 20221160), (5, 16176928), (8, 10110580), (10, 8088464), (16, 5055290), (17, 4757920), (20, 4044232), (32, 2527645), (34, 2378960), (40, 2022116), (68, 1189480), (80, 1011058), (85, 951584), (131, 617440), (136, 594740), (160, 505529), (170, 475792), (227, 356320), (262, 308720), (272, 297370), (340, 237896), (454, 178160), (524, 154360), (544, 148685), (655, 123488), (680, 118948), (908, 89080), (1048, 77180), (1135, 71264), (1310, 61744), (1360, 59474), (1816, 44540), (2096, 38590), (2227, 36320), (2270, 35632), (2620, 30872), (2720, 29737), (3632, 22270), (3859, 20960), (4192, 19295), (4454, 18160), (4540, 17816), (5240, 15436), (7264, 11135), (7718, 10480), (8908, 9080)]