25343200

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 72

約数和(自身を含む): 62808480

約数和(自身を除く): 37465280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 401, 632, 790, 800, 802, 1264, 1580, 1604, 1975, 2005, 2528, 3160, 3208, 3950, 4010, 6320, 6416, 7900, 8020, 10025, 12640, 12832, 15800, 16040, 20050, 31600, 31679, 32080, 40100, 63200, 63358, 64160, 80200, 126716, 158395, 160400, 253432, 316790, 320800, 506864, 633580, 791975, 1013728, 1267160, 1583950, 2534320, 3167900, 5068640, 6335800, 12671600, 25343200]

約数ペア:

[(1, 25343200), (2, 12671600), (4, 6335800), (5, 5068640), (8, 3167900), (10, 2534320), (16, 1583950), (20, 1267160), (25, 1013728), (32, 791975), (40, 633580), (50, 506864), (79, 320800), (80, 316790), (100, 253432), (158, 160400), (160, 158395), (200, 126716), (316, 80200), (395, 64160), (400, 63358), (401, 63200), (632, 40100), (790, 32080), (800, 31679), (802, 31600), (1264, 20050), (1580, 16040), (1604, 15800), (1975, 12832), (2005, 12640), (2528, 10025), (3160, 8020), (3208, 7900), (3950, 6416), (4010, 6320)]