1001443840

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12619}}^1$

素因数の和:12673

約数の個数: 80

約数和(自身を含む): 2478769920

約数和(自身を除く): 1477326080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 12619, 15872, 19840, 25238, 39680, 50476, 63095, 79360, 100952, 126190, 201904, 252380, 391189, 403808, 504760, 782378, 807616, 1009520, 1564756, 1615232, 1955945, 2019040, 3129512, 3230464, 3911890, 4038080, 6259024, 6460928, 7823780, 8076160, 12518048, 15647560, 16152320, 25036096, 31295120, 32304640, 50072192, 62590240, 100144384, 125180480, 200288768, 250360960, 500721920, 1001443840]

約数ペア:

[(1, 1001443840), (2, 500721920), (4, 250360960), (5, 200288768), (8, 125180480), (10, 100144384), (16, 62590240), (20, 50072192), (31, 32304640), (32, 31295120), (40, 25036096), (62, 16152320), (64, 15647560), (80, 12518048), (124, 8076160), (128, 7823780), (155, 6460928), (160, 6259024), (248, 4038080), (256, 3911890), (310, 3230464), (320, 3129512), (496, 2019040), (512, 1955945), (620, 1615232), (640, 1564756), (992, 1009520), (1240, 807616), (1280, 782378), (1984, 504760), (2480, 403808), (2560, 391189), (3968, 252380), (4960, 201904), (7936, 126190), (9920, 100952), (12619, 79360), (15872, 63095), (19840, 50476), (25238, 39680)]