815075120

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{44491}}^1$

素因数の和:44733

約数の個数: 40

約数和(自身を含む): 1903367760

約数和(自身を除く): 1088292640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 44491, 88982, 177964, 222455, 355928, 444910, 711856, 889820, 1779640, 3559280, 10188439, 20376878, 40753756, 50942195, 81507512, 101884390, 163015024, 203768780, 407537560, 815075120]

約数ペア:

[(1, 815075120), (2, 407537560), (4, 203768780), (5, 163015024), (8, 101884390), (10, 81507512), (16, 50942195), (20, 40753756), (40, 20376878), (80, 10188439), (229, 3559280), (458, 1779640), (916, 889820), (1145, 711856), (1832, 444910), (2290, 355928), (3664, 222455), (4580, 177964), (9160, 88982), (18320, 44491)]