7121720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7741}}^1$

素因数の和:7775

約数の個数: 32

約数和(自身を含む): 16722720

約数和(自身を除く): 9601000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 7741, 15482, 30964, 38705, 61928, 77410, 154820, 178043, 309640, 356086, 712172, 890215, 1424344, 1780430, 3560860, 7121720]

約数ペア:

[(1, 7121720), (2, 3560860), (4, 1780430), (5, 1424344), (8, 890215), (10, 712172), (20, 356086), (23, 309640), (40, 178043), (46, 154820), (92, 77410), (115, 61928), (184, 38705), (230, 30964), (460, 15482), (920, 7741)]