54861940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12641}}^1$

素因数の和:12688

約数の個数: 48

約数和(自身を含む): 135926784

約数和(自身を除く): 81064844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 12641, 25282, 50564, 63205, 88487, 126410, 176974, 252820, 353948, 391871, 442435, 783742, 884870, 1567484, 1769740, 1959355, 2743097, 3918710, 5486194, 7837420, 10972388, 13715485, 27430970, 54861940]

約数ペア:

[(1, 54861940), (2, 27430970), (4, 13715485), (5, 10972388), (7, 7837420), (10, 5486194), (14, 3918710), (20, 2743097), (28, 1959355), (31, 1769740), (35, 1567484), (62, 884870), (70, 783742), (124, 442435), (140, 391871), (155, 353948), (217, 252820), (310, 176974), (434, 126410), (620, 88487), (868, 63205), (1085, 50564), (2170, 25282), (4340, 12641)]