25229360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 66933216

約数和(自身を除く): 41703856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1427, 1768, 2210, 2854, 3536, 4420, 5708, 7135, 8840, 11416, 14270, 17680, 18551, 22832, 24259, 28540, 37102, 48518, 57080, 74204, 92755, 97036, 114160, 121295, 148408, 185510, 194072, 242590, 296816, 315367, 371020, 388144, 485180, 630734, 742040, 970360, 1261468, 1484080, 1576835, 1940720, 2522936, 3153670, 5045872, 6307340, 12614680, 25229360]

約数ペア:

[(1, 25229360), (2, 12614680), (4, 6307340), (5, 5045872), (8, 3153670), (10, 2522936), (13, 1940720), (16, 1576835), (17, 1484080), (20, 1261468), (26, 970360), (34, 742040), (40, 630734), (52, 485180), (65, 388144), (68, 371020), (80, 315367), (85, 296816), (104, 242590), (130, 194072), (136, 185510), (170, 148408), (208, 121295), (221, 114160), (260, 97036), (272, 92755), (340, 74204), (442, 57080), (520, 48518), (680, 37102), (884, 28540), (1040, 24259), (1105, 22832), (1360, 18551), (1427, 17680), (1768, 14270), (2210, 11416), (2854, 8840), (3536, 7135), (4420, 5708)]