78026480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139333}}^1$

素因数の和:139353

約数の個数: 40

約数和(自身を含む): 207328992

約数和(自身を除く): 129302512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139333, 278666, 557332, 696665, 975331, 1114664, 1393330, 1950662, 2229328, 2786660, 3901324, 4876655, 5573320, 7802648, 9753310, 11146640, 15605296, 19506620, 39013240, 78026480]

約数ペア:

[(1, 78026480), (2, 39013240), (4, 19506620), (5, 15605296), (7, 11146640), (8, 9753310), (10, 7802648), (14, 5573320), (16, 4876655), (20, 3901324), (28, 2786660), (35, 2229328), (40, 1950662), (56, 1393330), (70, 1114664), (80, 975331), (112, 696665), (140, 557332), (280, 278666), (560, 139333)]