25300400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3329}}^1$

素因数の和:3366

約数の個数: 60

約数和(自身を含む): 64002600

約数和(自身を除く): 38702200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3329, 3800, 6658, 7600, 13316, 16645, 26632, 33290, 53264, 63251, 66580, 83225, 126502, 133160, 166450, 253004, 266320, 316255, 332900, 506008, 632510, 665800, 1012016, 1265020, 1331600, 1581275, 2530040, 3162550, 5060080, 6325100, 12650200, 25300400]

約数ペア:

[(1, 25300400), (2, 12650200), (4, 6325100), (5, 5060080), (8, 3162550), (10, 2530040), (16, 1581275), (19, 1331600), (20, 1265020), (25, 1012016), (38, 665800), (40, 632510), (50, 506008), (76, 332900), (80, 316255), (95, 266320), (100, 253004), (152, 166450), (190, 133160), (200, 126502), (304, 83225), (380, 66580), (400, 63251), (475, 53264), (760, 33290), (950, 26632), (1520, 16645), (1900, 13316), (3329, 7600), (3800, 6658)]