84233680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 204393168

約数和(自身を除く): 120159488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 205, 244, 305, 328, 410, 421, 488, 610, 656, 820, 842, 976, 1220, 1640, 1684, 2105, 2440, 2501, 3280, 3368, 4210, 4880, 5002, 6736, 8420, 10004, 12505, 16840, 17261, 20008, 25010, 25681, 33680, 34522, 40016, 50020, 51362, 69044, 86305, 100040, 102724, 128405, 138088, 172610, 200080, 205448, 256810, 276176, 345220, 410896, 513620, 690440, 1027240, 1052921, 1380880, 2054480, 2105842, 4211684, 5264605, 8423368, 10529210, 16846736, 21058420, 42116840, 84233680]

約数ペア:

[(1, 84233680), (2, 42116840), (4, 21058420), (5, 16846736), (8, 10529210), (10, 8423368), (16, 5264605), (20, 4211684), (40, 2105842), (41, 2054480), (61, 1380880), (80, 1052921), (82, 1027240), (122, 690440), (164, 513620), (205, 410896), (244, 345220), (305, 276176), (328, 256810), (410, 205448), (421, 200080), (488, 172610), (610, 138088), (656, 128405), (820, 102724), (842, 100040), (976, 86305), (1220, 69044), (1640, 51362), (1684, 50020), (2105, 40016), (2440, 34522), (2501, 33680), (3280, 25681), (3368, 25010), (4210, 20008), (4880, 17261), (5002, 16840), (6736, 12505), (8420, 10004)]