205810240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20747}}^1$

素因数の和:20795

約数の個数: 56

約数和(自身を含む): 505919232

約数和(自身を除く): 300108992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20747, 41494, 82988, 103735, 165976, 207470, 331952, 414940, 643157, 663904, 829880, 1286314, 1327808, 1659760, 2572628, 3215785, 3319520, 5145256, 6431570, 6639040, 10290512, 12863140, 20581024, 25726280, 41162048, 51452560, 102905120, 205810240]

約数ペア:

[(1, 205810240), (2, 102905120), (4, 51452560), (5, 41162048), (8, 25726280), (10, 20581024), (16, 12863140), (20, 10290512), (31, 6639040), (32, 6431570), (40, 5145256), (62, 3319520), (64, 3215785), (80, 2572628), (124, 1659760), (155, 1327808), (160, 1286314), (248, 829880), (310, 663904), (320, 643157), (496, 414940), (620, 331952), (992, 207470), (1240, 165976), (1984, 103735), (2480, 82988), (4960, 41494), (9920, 20747)]