78804532820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16607}}^1\times {\mathrm{18251}}^1$

素因数の和:34880

約数の個数: 48

約数和(自身を含む): 178239979008

約数和(自身を除く): 99435446188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 16607, 18251, 33214, 36502, 66428, 73004, 83035, 91255, 166070, 182510, 215891, 237263, 332140, 365020, 431782, 474526, 863564, 949052, 1079455, 1186315, 2158910, 2372630, 4317820, 4745260, 303094357, 606188714, 1212377428, 1515471785, 3030943570, 3940226641, 6061887140, 7880453282, 15760906564, 19701133205, 39402266410, 78804532820]

約数ペア:

[(1, 78804532820), (2, 39402266410), (4, 19701133205), (5, 15760906564), (10, 7880453282), (13, 6061887140), (20, 3940226641), (26, 3030943570), (52, 1515471785), (65, 1212377428), (130, 606188714), (260, 303094357), (16607, 4745260), (18251, 4317820), (33214, 2372630), (36502, 2158910), (66428, 1186315), (73004, 1079455), (83035, 949052), (91255, 863564), (166070, 474526), (182510, 431782), (215891, 365020), (237263, 332140)]