4021240

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 9108000

約数和(自身を除く): 5086760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 439, 458, 878, 916, 1145, 1756, 1832, 2195, 2290, 3512, 4390, 4580, 8780, 9160, 17560, 100531, 201062, 402124, 502655, 804248, 1005310, 2010620, 4021240]

約数ペア:

[(1, 4021240), (2, 2010620), (4, 1005310), (5, 804248), (8, 502655), (10, 402124), (20, 201062), (40, 100531), (229, 17560), (439, 9160), (458, 8780), (878, 4580), (916, 4390), (1145, 3512), (1756, 2290), (1832, 2195)]