71713640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{7829}}^1$

素因数の和:8069

約数の個数: 32

約数和(自身を含む): 162081000

約数和(自身を除く): 90367360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 7829, 9160, 15658, 31316, 39145, 62632, 78290, 156580, 313160, 1792841, 3585682, 7171364, 8964205, 14342728, 17928410, 35856820, 71713640]

約数ペア:

[(1, 71713640), (2, 35856820), (4, 17928410), (5, 14342728), (8, 8964205), (10, 7171364), (20, 3585682), (40, 1792841), (229, 313160), (458, 156580), (916, 78290), (1145, 62632), (1832, 39145), (2290, 31316), (4580, 15658), (7829, 9160)]