25189990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 29096858

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 67, 70, 82, 131, 134, 205, 262, 287, 335, 410, 469, 574, 655, 670, 917, 938, 1310, 1435, 1834, 2345, 2747, 2870, 4585, 4690, 5371, 5494, 8777, 9170, 10742, 13735, 17554, 19229, 26855, 27470, 37597, 38458, 43885, 53710, 61439, 75194, 87770, 96145, 122878, 187985, 192290, 307195, 359857, 375970, 614390, 719714, 1799285, 2518999, 3598570, 5037998, 12594995, 25189990]

約数ペア:

[(1, 25189990), (2, 12594995), (5, 5037998), (7, 3598570), (10, 2518999), (14, 1799285), (35, 719714), (41, 614390), (67, 375970), (70, 359857), (82, 307195), (131, 192290), (134, 187985), (205, 122878), (262, 96145), (287, 87770), (335, 75194), (410, 61439), (469, 53710), (574, 43885), (655, 38458), (670, 37597), (917, 27470), (938, 26855), (1310, 19229), (1435, 17554), (1834, 13735), (2345, 10742), (2747, 9170), (2870, 8777), (4585, 5494), (4690, 5371)]