20161502155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 26461144800

約数和(自身を除く): 6299642645

約数列:

[1, 5, 17, 41, 85, 149, 205, 697, 745, 947, 1681, 2533, 3485, 4735, 6109, 8405, 12665, 16099, 28577, 30545, 38827, 80495, 103853, 141103, 142885, 194135, 250469, 519265, 660059, 705515, 1252345, 1591907, 2398751, 3300295, 4257973, 5785223, 7959535, 11993755, 21289865, 27062419, 28926115, 98348791, 135312095, 237194143, 491743955, 1185970715, 4032300431, 20161502155]

約数ペア:

[(1, 20161502155), (5, 4032300431), (17, 1185970715), (41, 491743955), (85, 237194143), (149, 135312095), (205, 98348791), (697, 28926115), (745, 27062419), (947, 21289865), (1681, 11993755), (2533, 7959535), (3485, 5785223), (4735, 4257973), (6109, 3300295), (8405, 2398751), (12665, 1591907), (16099, 1252345), (28577, 705515), (30545, 660059), (38827, 519265), (80495, 250469), (103853, 194135), (141103, 142885)]