15707973580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1139911}}^1$

素因数の和:1139986

約数の個数: 48

約数和(自身を含む): 36194485824

約数和(自身を除く): 20486512244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 1139911, 2279822, 4559644, 5699555, 11399110, 14818843, 22798220, 29637686, 59275372, 60415283, 74094215, 120830566, 148188430, 241661132, 296376860, 302076415, 604152830, 785398679, 1208305660, 1570797358, 3141594716, 3926993395, 7853986790, 15707973580]

約数ペア:

[(1, 15707973580), (2, 7853986790), (4, 3926993395), (5, 3141594716), (10, 1570797358), (13, 1208305660), (20, 785398679), (26, 604152830), (52, 302076415), (53, 296376860), (65, 241661132), (106, 148188430), (130, 120830566), (212, 74094215), (260, 60415283), (265, 59275372), (530, 29637686), (689, 22798220), (1060, 14818843), (1378, 11399110), (2756, 5699555), (3445, 4559644), (6890, 2279822), (13780, 1139911)]