65297440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31393}}^1$

素因数の和:31421

約数の個数: 48

約数和(自身を含む): 166137048

約数和(自身を除く): 100839608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 31393, 62786, 125572, 156965, 251144, 313930, 408109, 502288, 627860, 816218, 1004576, 1255720, 1632436, 2040545, 2511440, 3264872, 4081090, 5022880, 6529744, 8162180, 13059488, 16324360, 32648720, 65297440]

約数ペア:

[(1, 65297440), (2, 32648720), (4, 16324360), (5, 13059488), (8, 8162180), (10, 6529744), (13, 5022880), (16, 4081090), (20, 3264872), (26, 2511440), (32, 2040545), (40, 1632436), (52, 1255720), (65, 1004576), (80, 816218), (104, 627860), (130, 502288), (160, 408109), (208, 313930), (260, 251144), (416, 156965), (520, 125572), (1040, 62786), (2080, 31393)]