25718420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1087}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 66898944

約数和(自身を除く): 41180524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1087, 1183, 1690, 1820, 2174, 2366, 3380, 4348, 4732, 5435, 5915, 7609, 10870, 11830, 14131, 15218, 21740, 23660, 28262, 30436, 38045, 56524, 70655, 76090, 98917, 141310, 152180, 183703, 197834, 282620, 367406, 395668, 494585, 734812, 918515, 989170, 1285921, 1837030, 1978340, 2571842, 3674060, 5143684, 6429605, 12859210, 25718420]

約数ペア:

[(1, 25718420), (2, 12859210), (4, 6429605), (5, 5143684), (7, 3674060), (10, 2571842), (13, 1978340), (14, 1837030), (20, 1285921), (26, 989170), (28, 918515), (35, 734812), (52, 494585), (65, 395668), (70, 367406), (91, 282620), (130, 197834), (140, 183703), (169, 152180), (182, 141310), (260, 98917), (338, 76090), (364, 70655), (455, 56524), (676, 38045), (845, 30436), (910, 28262), (1087, 23660), (1183, 21740), (1690, 15218), (1820, 14131), (2174, 11830), (2366, 10870), (3380, 7609), (4348, 5915), (4732, 5435)]