29316640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 71642340

約数和(自身を除く): 42325700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 109, 160, 164, 205, 218, 328, 410, 436, 545, 656, 820, 872, 1090, 1312, 1640, 1681, 1744, 2180, 3280, 3362, 3488, 4360, 4469, 6560, 6724, 8405, 8720, 8938, 13448, 16810, 17440, 17876, 22345, 26896, 33620, 35752, 44690, 53792, 67240, 71504, 89380, 134480, 143008, 178760, 183229, 268960, 357520, 366458, 715040, 732916, 916145, 1465832, 1832290, 2931664, 3664580, 5863328, 7329160, 14658320, 29316640]

約数ペア:

[(1, 29316640), (2, 14658320), (4, 7329160), (5, 5863328), (8, 3664580), (10, 2931664), (16, 1832290), (20, 1465832), (32, 916145), (40, 732916), (41, 715040), (80, 366458), (82, 357520), (109, 268960), (160, 183229), (164, 178760), (205, 143008), (218, 134480), (328, 89380), (410, 71504), (436, 67240), (545, 53792), (656, 44690), (820, 35752), (872, 33620), (1090, 26896), (1312, 22345), (1640, 17876), (1681, 17440), (1744, 16810), (2180, 13448), (3280, 8938), (3362, 8720), (3488, 8405), (4360, 6724), (4469, 6560)]