78208780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1291}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 177768864

約数和(自身を除く): 99560084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 466, 932, 1165, 1291, 2330, 2582, 3029, 4660, 5164, 6058, 6455, 12116, 12910, 15145, 16783, 25820, 30290, 33566, 60580, 67132, 83915, 167830, 300803, 335660, 601606, 1203212, 1504015, 3008030, 3910439, 6016060, 7820878, 15641756, 19552195, 39104390, 78208780]

約数ペア:

[(1, 78208780), (2, 39104390), (4, 19552195), (5, 15641756), (10, 7820878), (13, 6016060), (20, 3910439), (26, 3008030), (52, 1504015), (65, 1203212), (130, 601606), (233, 335660), (260, 300803), (466, 167830), (932, 83915), (1165, 67132), (1291, 60580), (2330, 33566), (2582, 30290), (3029, 25820), (4660, 16783), (5164, 15145), (6058, 12910), (6455, 12116)]