8995120

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 21047760

約数和(自身を除く): 12052640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 491, 916, 982, 1145, 1832, 1964, 2290, 2455, 3664, 3928, 4580, 4910, 7856, 9160, 9820, 18320, 19640, 39280, 112439, 224878, 449756, 562195, 899512, 1124390, 1799024, 2248780, 4497560, 8995120]

約数ペア:

[(1, 8995120), (2, 4497560), (4, 2248780), (5, 1799024), (8, 1124390), (10, 899512), (16, 562195), (20, 449756), (40, 224878), (80, 112439), (229, 39280), (458, 19640), (491, 18320), (916, 9820), (982, 9160), (1145, 7856), (1832, 4910), (1964, 4580), (2290, 3928), (2455, 3664)]