8239360

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 20345976

約数和(自身を除く): 12106616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 157, 160, 164, 205, 256, 314, 320, 328, 410, 628, 640, 656, 785, 820, 1256, 1280, 1312, 1570, 1640, 2512, 2624, 3140, 3280, 5024, 5248, 6280, 6437, 6560, 10048, 10496, 12560, 12874, 13120, 20096, 25120, 25748, 26240, 32185, 40192, 50240, 51496, 52480, 64370, 100480, 102992, 128740, 200960, 205984, 257480, 411968, 514960, 823936, 1029920, 1647872, 2059840, 4119680, 8239360]

約数ペア:

[(1, 8239360), (2, 4119680), (4, 2059840), (5, 1647872), (8, 1029920), (10, 823936), (16, 514960), (20, 411968), (32, 257480), (40, 205984), (41, 200960), (64, 128740), (80, 102992), (82, 100480), (128, 64370), (157, 52480), (160, 51496), (164, 50240), (205, 40192), (256, 32185), (314, 26240), (320, 25748), (328, 25120), (410, 20096), (628, 13120), (640, 12874), (656, 12560), (785, 10496), (820, 10048), (1256, 6560), (1280, 6437), (1312, 6280), (1570, 5248), (1640, 5024), (2512, 3280), (2624, 3140)]