25153648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 55996416

約数和(自身を除く): 30842768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 83, 94, 104, 124, 166, 188, 208, 248, 332, 376, 403, 496, 611, 664, 752, 806, 1079, 1222, 1328, 1457, 1612, 2158, 2444, 2573, 2914, 3224, 3901, 4316, 4888, 5146, 5828, 6448, 7802, 8632, 9776, 10292, 11656, 15604, 17264, 18941, 20584, 23312, 31208, 33449, 37882, 41168, 50713, 62416, 66898, 75764, 101426, 120931, 133796, 151528, 202852, 241862, 267592, 303056, 405704, 483724, 535184, 811408, 967448, 1572103, 1934896, 3144206, 6288412, 12576824, 25153648]

約数ペア:

[(1, 25153648), (2, 12576824), (4, 6288412), (8, 3144206), (13, 1934896), (16, 1572103), (26, 967448), (31, 811408), (47, 535184), (52, 483724), (62, 405704), (83, 303056), (94, 267592), (104, 241862), (124, 202852), (166, 151528), (188, 133796), (208, 120931), (248, 101426), (332, 75764), (376, 66898), (403, 62416), (496, 50713), (611, 41168), (664, 37882), (752, 33449), (806, 31208), (1079, 23312), (1222, 20584), (1328, 18941), (1457, 17264), (1612, 15604), (2158, 11656), (2444, 10292), (2573, 9776), (2914, 8632), (3224, 7802), (3901, 6448), (4316, 5828), (4888, 5146)]