80025530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 165110400

約数和(自身を除く): 85084870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 179, 181, 190, 247, 358, 362, 494, 895, 905, 1235, 1790, 1810, 2327, 2353, 2470, 3401, 3439, 4654, 4706, 6802, 6878, 11635, 11765, 17005, 17195, 23270, 23530, 32399, 34010, 34390, 44213, 44707, 64798, 88426, 89414, 161995, 221065, 223535, 323990, 421187, 442130, 447070, 615581, 842374, 1231162, 2105935, 3077905, 4211870, 6155810, 8002553, 16005106, 40012765, 80025530]

約数ペア:

[(1, 80025530), (2, 40012765), (5, 16005106), (10, 8002553), (13, 6155810), (19, 4211870), (26, 3077905), (38, 2105935), (65, 1231162), (95, 842374), (130, 615581), (179, 447070), (181, 442130), (190, 421187), (247, 323990), (358, 223535), (362, 221065), (494, 161995), (895, 89414), (905, 88426), (1235, 64798), (1790, 44707), (1810, 44213), (2327, 34390), (2353, 34010), (2470, 32399), (3401, 23530), (3439, 23270), (4654, 17195), (4706, 17005), (6802, 11765), (6878, 11635)]