159970540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3851}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 352041984

約数和(自身を除く): 192071444

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 3851, 4154, 7702, 8308, 10385, 15404, 19255, 20770, 38510, 41540, 77020, 119381, 238762, 258017, 477524, 516034, 596905, 1032068, 1193810, 1290085, 2387620, 2580170, 5160340, 7998527, 15997054, 31994108, 39992635, 79985270, 159970540]

約数ペア:

[(1, 159970540), (2, 79985270), (4, 39992635), (5, 31994108), (10, 15997054), (20, 7998527), (31, 5160340), (62, 2580170), (67, 2387620), (124, 1290085), (134, 1193810), (155, 1032068), (268, 596905), (310, 516034), (335, 477524), (620, 258017), (670, 238762), (1340, 119381), (2077, 77020), (3851, 41540), (4154, 38510), (7702, 20770), (8308, 19255), (10385, 15404)]