1264804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113131}}^1$

素因数の和:113196

約数の個数: 48

約数和(自身を含む): 2926951104

約数和(自身を除く): 1662146524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 113131, 226262, 452524, 565655, 1131310, 1470703, 2262620, 2941406, 4864633, 5882812, 7353515, 9729266, 14707030, 19458532, 24323165, 29414060, 48646330, 63240229, 97292660, 126480458, 252960916, 316201145, 632402290, 1264804580]

約数ペア:

[(1, 1264804580), (2, 632402290), (4, 316201145), (5, 252960916), (10, 126480458), (13, 97292660), (20, 63240229), (26, 48646330), (43, 29414060), (52, 24323165), (65, 19458532), (86, 14707030), (130, 9729266), (172, 7353515), (215, 5882812), (260, 4864633), (430, 2941406), (559, 2262620), (860, 1470703), (1118, 1131310), (2236, 565655), (2795, 452524), (5590, 226262), (11180, 113131)]