64418620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14843}}^1$

素因数の和:14890

約数の個数: 48

約数和(自身を含む): 159602688

約数和(自身を除く): 95184068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14843, 29686, 59372, 74215, 103901, 148430, 207802, 296860, 415604, 460133, 519505, 920266, 1039010, 1840532, 2078020, 2300665, 3220931, 4601330, 6441862, 9202660, 12883724, 16104655, 32209310, 64418620]

約数ペア:

[(1, 64418620), (2, 32209310), (4, 16104655), (5, 12883724), (7, 9202660), (10, 6441862), (14, 4601330), (20, 3220931), (28, 2300665), (31, 2078020), (35, 1840532), (62, 1039010), (70, 920266), (124, 519505), (140, 460133), (155, 415604), (217, 296860), (310, 207802), (434, 148430), (620, 103901), (868, 74215), (1085, 59372), (2170, 29686), (4340, 14843)]