2016980860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71881}}^1$

素因数の和:71974

約数の個数: 48

約数和(自身を含む): 4492337472

約数和(自身を除く): 2475356612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 610, 1220, 1403, 2806, 5612, 7015, 14030, 28060, 71881, 143762, 287524, 359405, 718810, 1437620, 1653263, 3306526, 4384741, 6613052, 8266315, 8769482, 16532630, 17538964, 21923705, 33065260, 43847410, 87694820, 100849043, 201698086, 403396172, 504245215, 1008490430, 2016980860]

約数ペア:

[(1, 2016980860), (2, 1008490430), (4, 504245215), (5, 403396172), (10, 201698086), (20, 100849043), (23, 87694820), (46, 43847410), (61, 33065260), (92, 21923705), (115, 17538964), (122, 16532630), (230, 8769482), (244, 8266315), (305, 6613052), (460, 4384741), (610, 3306526), (1220, 1653263), (1403, 1437620), (2806, 718810), (5612, 359405), (7015, 287524), (14030, 143762), (28060, 71881)]