51452560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20747}}^1$

素因数の和:20791

約数の個数: 40

約数和(自身を含む): 123492096

約数和(自身を除く): 72039536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20747, 41494, 82988, 103735, 165976, 207470, 331952, 414940, 643157, 829880, 1286314, 1659760, 2572628, 3215785, 5145256, 6431570, 10290512, 12863140, 25726280, 51452560]

約数ペア:

[(1, 51452560), (2, 25726280), (4, 12863140), (5, 10290512), (8, 6431570), (10, 5145256), (16, 3215785), (20, 2572628), (31, 1659760), (40, 1286314), (62, 829880), (80, 643157), (124, 414940), (155, 331952), (248, 207470), (310, 165976), (496, 103735), (620, 82988), (1240, 41494), (2480, 20747)]