77590640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12277}}^1$

素因数の和:12369

約数の個数: 40

約数和(自身を含む): 182696640

約数和(自身を除く): 105106000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 12277, 24554, 49108, 61385, 98216, 122770, 196432, 245540, 491080, 969883, 982160, 1939766, 3879532, 4849415, 7759064, 9698830, 15518128, 19397660, 38795320, 77590640]

約数ペア:

[(1, 77590640), (2, 38795320), (4, 19397660), (5, 15518128), (8, 9698830), (10, 7759064), (16, 4849415), (20, 3879532), (40, 1939766), (79, 982160), (80, 969883), (158, 491080), (316, 245540), (395, 196432), (632, 122770), (790, 98216), (1264, 61385), (1580, 49108), (3160, 24554), (6320, 12277)]