2015215880

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{40993}}^1$

素因数の和:42233

約数の個数: 32

約数和(自身を含む): 4538035800

約数和(自身を除く): 2522819920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 4916, 6145, 9832, 12290, 24580, 40993, 49160, 81986, 163972, 204965, 327944, 409930, 819860, 1639720, 50380397, 100760794, 201521588, 251901985, 403043176, 503803970, 1007607940, 2015215880]

約数ペア:

[(1, 2015215880), (2, 1007607940), (4, 503803970), (5, 403043176), (8, 251901985), (10, 201521588), (20, 100760794), (40, 50380397), (1229, 1639720), (2458, 819860), (4916, 409930), (6145, 327944), (9832, 204965), (12290, 163972), (24580, 81986), (40993, 49160)]