86326940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19891}}^1$

素因数の和:19938

約数の個数: 48

約数和(自身を含む): 213878784

約数和(自身を除く): 127551844

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, 19891, 39782, 79564, 99455, 139237, 198910, 278474, 397820, 556948, 616621, 696185, 1233242, 1392370, 2466484, 2784740, 3083105, 4316347, 6166210, 8632694, 12332420, 17265388, 21581735, 43163470, 86326940]

約数ペア:

[(1, 86326940), (2, 43163470), (4, 21581735), (5, 17265388), (7, 12332420), (10, 8632694), (14, 6166210), (20, 4316347), (28, 3083105), (31, 2784740), (35, 2466484), (62, 1392370), (70, 1233242), (124, 696185), (140, 616621), (155, 556948), (217, 397820), (310, 278474), (434, 198910), (620, 139237), (868, 99455), (1085, 79564), (2170, 39782), (4340, 19891)]