8551040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 21150720

約数和(自身を除く): 12599680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 431, 496, 620, 640, 862, 992, 1240, 1724, 1984, 2155, 2480, 3448, 3968, 4310, 4960, 6896, 8620, 9920, 13361, 13792, 17240, 19840, 26722, 27584, 34480, 53444, 55168, 66805, 68960, 106888, 133610, 137920, 213776, 267220, 275840, 427552, 534440, 855104, 1068880, 1710208, 2137760, 4275520, 8551040]

約数ペア:

[(1, 8551040), (2, 4275520), (4, 2137760), (5, 1710208), (8, 1068880), (10, 855104), (16, 534440), (20, 427552), (31, 275840), (32, 267220), (40, 213776), (62, 137920), (64, 133610), (80, 106888), (124, 68960), (128, 66805), (155, 55168), (160, 53444), (248, 34480), (310, 27584), (320, 26722), (431, 19840), (496, 17240), (620, 13792), (640, 13361), (862, 9920), (992, 8620), (1240, 6896), (1724, 4960), (1984, 4310), (2155, 3968), (2480, 3448)]