25020880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 36046640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 79, 80, 107, 148, 158, 185, 214, 296, 316, 370, 395, 428, 535, 592, 632, 740, 790, 856, 1070, 1264, 1480, 1580, 1712, 2140, 2923, 2960, 3160, 3959, 4280, 5846, 6320, 7918, 8453, 8560, 11692, 14615, 15836, 16906, 19795, 23384, 29230, 31672, 33812, 39590, 42265, 46768, 58460, 63344, 67624, 79180, 84530, 116920, 135248, 158360, 169060, 233840, 312761, 316720, 338120, 625522, 676240, 1251044, 1563805, 2502088, 3127610, 5004176, 6255220, 12510440, 25020880]

約数ペア:

[(1, 25020880), (2, 12510440), (4, 6255220), (5, 5004176), (8, 3127610), (10, 2502088), (16, 1563805), (20, 1251044), (37, 676240), (40, 625522), (74, 338120), (79, 316720), (80, 312761), (107, 233840), (148, 169060), (158, 158360), (185, 135248), (214, 116920), (296, 84530), (316, 79180), (370, 67624), (395, 63344), (428, 58460), (535, 46768), (592, 42265), (632, 39590), (740, 33812), (790, 31672), (856, 29230), (1070, 23384), (1264, 19795), (1480, 16906), (1580, 15836), (1712, 14615), (2140, 11692), (2923, 8560), (2960, 8453), (3160, 7918), (3959, 6320), (4280, 5846)]