1640200330

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{13649}}^1$

素因数の和:13914

約数の個数: 32

約数和(自身を含む): 3016213200

約数和(自身を除く): 1376012870

約数列:

[1, 2, 5, 10, 61, 122, 197, 305, 394, 610, 985, 1970, 12017, 13649, 24034, 27298, 60085, 68245, 120170, 136490, 832589, 1665178, 2688853, 4162945, 5377706, 8325890, 13444265, 26888530, 164020033, 328040066, 820100165, 1640200330]

約数ペア:

[(1, 1640200330), (2, 820100165), (5, 328040066), (10, 164020033), (61, 26888530), (122, 13444265), (197, 8325890), (305, 5377706), (394, 4162945), (610, 2688853), (985, 1665178), (1970, 832589), (12017, 136490), (13649, 120170), (24034, 68245), (27298, 60085)]