55731280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63331}}^1$

素因数の和:63355

約数の個数: 40

約数和(自身を含む): 141357024

約数和(自身を除く): 85625744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 63331, 126662, 253324, 316655, 506648, 633310, 696641, 1013296, 1266620, 1393282, 2533240, 2786564, 3483205, 5066480, 5573128, 6966410, 11146256, 13932820, 27865640, 55731280]

約数ペア:

[(1, 55731280), (2, 27865640), (4, 13932820), (5, 11146256), (8, 6966410), (10, 5573128), (11, 5066480), (16, 3483205), (20, 2786564), (22, 2533240), (40, 1393282), (44, 1266620), (55, 1013296), (80, 696641), (88, 633310), (110, 506648), (176, 316655), (220, 253324), (440, 126662), (880, 63331)]