259040960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26113}}^1$

素因数の和:26161

約数の個数: 56

約数和(自身を含む): 636763776

約数和(自身を除く): 377722816

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, 26113, 52226, 104452, 130565, 208904, 261130, 417808, 522260, 809503, 835616, 1044520, 1619006, 1671232, 2089040, 3238012, 4047515, 4178080, 6476024, 8095030, 8356160, 12952048, 16190060, 25904096, 32380120, 51808192, 64760240, 129520480, 259040960]

約数ペア:

[(1, 259040960), (2, 129520480), (4, 64760240), (5, 51808192), (8, 32380120), (10, 25904096), (16, 16190060), (20, 12952048), (31, 8356160), (32, 8095030), (40, 6476024), (62, 4178080), (64, 4047515), (80, 3238012), (124, 2089040), (155, 1671232), (160, 1619006), (248, 1044520), (310, 835616), (320, 809503), (496, 522260), (620, 417808), (992, 261130), (1240, 208904), (1984, 130565), (2480, 104452), (4960, 52226), (9920, 26113)]