88239440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 212718528

約数和(自身を除く): 124479088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 113, 172, 215, 226, 227, 344, 430, 452, 454, 565, 688, 860, 904, 908, 1130, 1135, 1720, 1808, 1816, 2260, 2270, 3440, 3632, 4520, 4540, 4859, 9040, 9080, 9718, 9761, 18160, 19436, 19522, 24295, 25651, 38872, 39044, 48590, 48805, 51302, 77744, 78088, 97180, 97610, 102604, 128255, 156176, 194360, 195220, 205208, 256510, 388720, 390440, 410416, 513020, 780880, 1026040, 1102993, 2052080, 2205986, 4411972, 5514965, 8823944, 11029930, 17647888, 22059860, 44119720, 88239440]

約数ペア:

[(1, 88239440), (2, 44119720), (4, 22059860), (5, 17647888), (8, 11029930), (10, 8823944), (16, 5514965), (20, 4411972), (40, 2205986), (43, 2052080), (80, 1102993), (86, 1026040), (113, 780880), (172, 513020), (215, 410416), (226, 390440), (227, 388720), (344, 256510), (430, 205208), (452, 195220), (454, 194360), (565, 156176), (688, 128255), (860, 102604), (904, 97610), (908, 97180), (1130, 78088), (1135, 77744), (1720, 51302), (1808, 48805), (1816, 48590), (2260, 39044), (2270, 38872), (3440, 25651), (3632, 24295), (4520, 19522), (4540, 19436), (4859, 18160), (9040, 9761), (9080, 9718)]