65926640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63391}}^1$

素因数の和:63417

約数の個数: 40

約数和(自身を含む): 165072768

約数和(自身を除く): 99146128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63391, 126782, 253564, 316955, 507128, 633910, 824083, 1014256, 1267820, 1648166, 2535640, 3296332, 4120415, 5071280, 6592664, 8240830, 13185328, 16481660, 32963320, 65926640]

約数ペア:

[(1, 65926640), (2, 32963320), (4, 16481660), (5, 13185328), (8, 8240830), (10, 6592664), (13, 5071280), (16, 4120415), (20, 3296332), (26, 2535640), (40, 1648166), (52, 1267820), (65, 1014256), (80, 824083), (104, 633910), (130, 507128), (208, 316955), (260, 253564), (520, 126782), (1040, 63391)]