1640365240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{2347}}^1$

素因数の和:2632

約数の個数: 64

約数和(自身を含む): 3750507360

約数和(自身を除く): 2110142120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 173, 202, 346, 404, 505, 692, 808, 865, 1010, 1384, 1730, 2020, 2347, 3460, 4040, 4694, 6920, 9388, 11735, 17473, 18776, 23470, 34946, 46940, 69892, 87365, 93880, 139784, 174730, 237047, 349460, 406031, 474094, 698920, 812062, 948188, 1185235, 1624124, 1896376, 2030155, 2370470, 3248248, 4060310, 4740940, 8120620, 9481880, 16241240, 41009131, 82018262, 164036524, 205045655, 328073048, 410091310, 820182620, 1640365240]

約数ペア:

[(1, 1640365240), (2, 820182620), (4, 410091310), (5, 328073048), (8, 205045655), (10, 164036524), (20, 82018262), (40, 41009131), (101, 16241240), (173, 9481880), (202, 8120620), (346, 4740940), (404, 4060310), (505, 3248248), (692, 2370470), (808, 2030155), (865, 1896376), (1010, 1624124), (1384, 1185235), (1730, 948188), (2020, 812062), (2347, 698920), (3460, 474094), (4040, 406031), (4694, 349460), (6920, 237047), (9388, 174730), (11735, 139784), (17473, 93880), (18776, 87365), (23470, 69892), (34946, 46940)]