78625820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43201}}^1$

素因数の和:43230

約数の個数: 48

約数和(自身を含む): 203222208

約数和(自身を除く): 124596388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43201, 86402, 172804, 216005, 302407, 432010, 561613, 604814, 864020, 1123226, 1209628, 1512035, 2246452, 2808065, 3024070, 3931291, 5616130, 6048140, 7862582, 11232260, 15725164, 19656455, 39312910, 78625820]

約数ペア:

[(1, 78625820), (2, 39312910), (4, 19656455), (5, 15725164), (7, 11232260), (10, 7862582), (13, 6048140), (14, 5616130), (20, 3931291), (26, 3024070), (28, 2808065), (35, 2246452), (52, 1512035), (65, 1209628), (70, 1123226), (91, 864020), (130, 604814), (140, 561613), (182, 432010), (260, 302407), (364, 216005), (455, 172804), (910, 86402), (1820, 43201)]