12500120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 29462400

約数和(自身を除く): 16962280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 109, 122, 188, 218, 235, 244, 305, 376, 436, 470, 488, 545, 610, 872, 940, 1090, 1220, 1880, 2180, 2440, 2867, 4360, 5123, 5734, 6649, 10246, 11468, 13298, 14335, 20492, 22936, 25615, 26596, 28670, 33245, 40984, 51230, 53192, 57340, 66490, 102460, 114680, 132980, 204920, 265960, 312503, 625006, 1250012, 1562515, 2500024, 3125030, 6250060, 12500120]

約数ペア:

[(1, 12500120), (2, 6250060), (4, 3125030), (5, 2500024), (8, 1562515), (10, 1250012), (20, 625006), (40, 312503), (47, 265960), (61, 204920), (94, 132980), (109, 114680), (122, 102460), (188, 66490), (218, 57340), (235, 53192), (244, 51230), (305, 40984), (376, 33245), (436, 28670), (470, 26596), (488, 25615), (545, 22936), (610, 20492), (872, 14335), (940, 13298), (1090, 11468), (1220, 10246), (1880, 6649), (2180, 5734), (2440, 5123), (2867, 4360)]