8405120

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 21003840

約数和(自身を除く): 12598720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 571, 640, 736, 920, 1142, 1472, 1840, 2284, 2855, 2944, 3680, 4568, 5710, 7360, 9136, 11420, 13133, 14720, 18272, 22840, 26266, 36544, 45680, 52532, 65665, 73088, 91360, 105064, 131330, 182720, 210128, 262660, 365440, 420256, 525320, 840512, 1050640, 1681024, 2101280, 4202560, 8405120]

約数ペア:

[(1, 8405120), (2, 4202560), (4, 2101280), (5, 1681024), (8, 1050640), (10, 840512), (16, 525320), (20, 420256), (23, 365440), (32, 262660), (40, 210128), (46, 182720), (64, 131330), (80, 105064), (92, 91360), (115, 73088), (128, 65665), (160, 52532), (184, 45680), (230, 36544), (320, 26266), (368, 22840), (460, 18272), (571, 14720), (640, 13133), (736, 11420), (920, 9136), (1142, 7360), (1472, 5710), (1840, 4568), (2284, 3680), (2855, 2944)]