129520480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26113}}^1$

素因数の和:26159

約数の個数: 48

約数和(自身を含む): 315874944

約数和(自身を除く): 186354464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 26113, 52226, 104452, 130565, 208904, 261130, 417808, 522260, 809503, 835616, 1044520, 1619006, 2089040, 3238012, 4047515, 4178080, 6476024, 8095030, 12952048, 16190060, 25904096, 32380120, 64760240, 129520480]

約数ペア:

[(1, 129520480), (2, 64760240), (4, 32380120), (5, 25904096), (8, 16190060), (10, 12952048), (16, 8095030), (20, 6476024), (31, 4178080), (32, 4047515), (40, 3238012), (62, 2089040), (80, 1619006), (124, 1044520), (155, 835616), (160, 809503), (248, 522260), (310, 417808), (496, 261130), (620, 208904), (992, 130565), (1240, 104452), (2480, 52226), (4960, 26113)]