8650240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 21605760

約数和(自身を除く): 12955520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 256, 310, 320, 436, 496, 512, 545, 620, 640, 872, 992, 1090, 1240, 1280, 1744, 1984, 2180, 2480, 2560, 3379, 3488, 3968, 4360, 4960, 6758, 6976, 7936, 8720, 9920, 13516, 13952, 15872, 16895, 17440, 19840, 27032, 27904, 33790, 34880, 39680, 54064, 55808, 67580, 69760, 79360, 108128, 135160, 139520, 216256, 270320, 279040, 432512, 540640, 865024, 1081280, 1730048, 2162560, 4325120, 8650240]

約数ペア:

[(1, 8650240), (2, 4325120), (4, 2162560), (5, 1730048), (8, 1081280), (10, 865024), (16, 540640), (20, 432512), (31, 279040), (32, 270320), (40, 216256), (62, 139520), (64, 135160), (80, 108128), (109, 79360), (124, 69760), (128, 67580), (155, 55808), (160, 54064), (218, 39680), (248, 34880), (256, 33790), (310, 27904), (320, 27032), (436, 19840), (496, 17440), (512, 16895), (545, 15872), (620, 13952), (640, 13516), (872, 9920), (992, 8720), (1090, 7936), (1240, 6976), (1280, 6758), (1744, 4960), (1984, 4360), (2180, 3968), (2480, 3488), (2560, 3379)]