78815020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5527}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 178311168

約数和(自身を除く): 99496148

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 2852, 3565, 5527, 7130, 11054, 14260, 22108, 27635, 55270, 110540, 127121, 171337, 254242, 342674, 508484, 635605, 685348, 856685, 1271210, 1713370, 2542420, 3426740, 3940751, 7881502, 15763004, 19703755, 39407510, 78815020]

約数ペア:

[(1, 78815020), (2, 39407510), (4, 19703755), (5, 15763004), (10, 7881502), (20, 3940751), (23, 3426740), (31, 2542420), (46, 1713370), (62, 1271210), (92, 856685), (115, 685348), (124, 635605), (155, 508484), (230, 342674), (310, 254242), (460, 171337), (620, 127121), (713, 110540), (1426, 55270), (2852, 27635), (3565, 22108), (5527, 14260), (7130, 11054)]