25013690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 52710588

約数和(自身を除く): 27696898

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 169, 190, 205, 247, 338, 361, 410, 494, 533, 722, 779, 845, 1066, 1235, 1558, 1690, 1805, 2470, 2665, 3211, 3610, 3895, 4693, 5330, 6422, 6929, 7790, 9386, 10127, 13858, 14801, 16055, 20254, 23465, 29602, 32110, 34645, 46930, 50635, 61009, 69290, 74005, 101270, 122018, 131651, 148010, 192413, 263302, 305045, 384826, 610090, 658255, 962065, 1316510, 1924130, 2501369, 5002738, 12506845, 25013690]

約数ペア:

[(1, 25013690), (2, 12506845), (5, 5002738), (10, 2501369), (13, 1924130), (19, 1316510), (26, 962065), (38, 658255), (41, 610090), (65, 384826), (82, 305045), (95, 263302), (130, 192413), (169, 148010), (190, 131651), (205, 122018), (247, 101270), (338, 74005), (361, 69290), (410, 61009), (494, 50635), (533, 46930), (722, 34645), (779, 32110), (845, 29602), (1066, 23465), (1235, 20254), (1558, 16055), (1690, 14801), (1805, 13858), (2470, 10127), (2665, 9386), (3211, 7790), (3610, 6929), (3895, 6422), (4693, 5330)]