84294580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 185149440

約数和(自身を除く): 100854860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 1721, 2449, 3442, 4898, 6884, 8605, 9796, 12245, 17210, 24490, 34420, 48980, 53351, 106702, 135959, 213404, 266755, 271918, 533510, 543836, 679795, 1067020, 1359590, 2719180, 4214729, 8429458, 16858916, 21073645, 42147290, 84294580]

約数ペア:

[(1, 84294580), (2, 42147290), (4, 21073645), (5, 16858916), (10, 8429458), (20, 4214729), (31, 2719180), (62, 1359590), (79, 1067020), (124, 679795), (155, 543836), (158, 533510), (310, 271918), (316, 266755), (395, 213404), (620, 135959), (790, 106702), (1580, 53351), (1721, 48980), (2449, 34420), (3442, 24490), (4898, 17210), (6884, 12245), (8605, 9796)]