31459480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 77112000

約数和(自身を除く): 45652520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 202, 260, 404, 505, 520, 599, 808, 1010, 1198, 1313, 2020, 2396, 2626, 2995, 4040, 4792, 5252, 5990, 6565, 7787, 10504, 11980, 13130, 15574, 23960, 26260, 31148, 38935, 52520, 60499, 62296, 77870, 120998, 155740, 241996, 302495, 311480, 483992, 604990, 786487, 1209980, 1572974, 2419960, 3145948, 3932435, 6291896, 7864870, 15729740, 31459480]

約数ペア:

[(1, 31459480), (2, 15729740), (4, 7864870), (5, 6291896), (8, 3932435), (10, 3145948), (13, 2419960), (20, 1572974), (26, 1209980), (40, 786487), (52, 604990), (65, 483992), (101, 311480), (104, 302495), (130, 241996), (202, 155740), (260, 120998), (404, 77870), (505, 62296), (520, 60499), (599, 52520), (808, 38935), (1010, 31148), (1198, 26260), (1313, 23960), (2020, 15574), (2396, 13130), (2626, 11980), (2995, 10504), (4040, 7787), (4792, 6565), (5252, 5990)]