15709423640

素因数分解:

$2^3\times 5^1\times {\mathrm{18131}}^1\times {\mathrm{21661}}^1$

素因数の和:39803

約数の個数: 32

約数和(自身を含む): 35349784560

約数和(自身を除く): 19640360920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18131, 21661, 36262, 43322, 72524, 86644, 90655, 108305, 145048, 173288, 181310, 216610, 362620, 433220, 725240, 866440, 392735591, 785471182, 1570942364, 1963677955, 3141884728, 3927355910, 7854711820, 15709423640]

約数ペア:

[(1, 15709423640), (2, 7854711820), (4, 3927355910), (5, 3141884728), (8, 1963677955), (10, 1570942364), (20, 785471182), (40, 392735591), (18131, 866440), (21661, 725240), (36262, 433220), (43322, 362620), (72524, 216610), (86644, 181310), (90655, 173288), (108305, 145048)]