51147280

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 123992064

約数和(自身を除く): 72844784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 61, 80, 94, 122, 188, 223, 235, 244, 305, 376, 446, 470, 488, 610, 752, 892, 940, 976, 1115, 1220, 1784, 1880, 2230, 2440, 2867, 3568, 3760, 4460, 4880, 5734, 8920, 10481, 11468, 13603, 14335, 17840, 20962, 22936, 27206, 28670, 41924, 45872, 52405, 54412, 57340, 68015, 83848, 104810, 108824, 114680, 136030, 167696, 209620, 217648, 229360, 272060, 419240, 544120, 639341, 838480, 1088240, 1278682, 2557364, 3196705, 5114728, 6393410, 10229456, 12786820, 25573640, 51147280]

約数ペア:

[(1, 51147280), (2, 25573640), (4, 12786820), (5, 10229456), (8, 6393410), (10, 5114728), (16, 3196705), (20, 2557364), (40, 1278682), (47, 1088240), (61, 838480), (80, 639341), (94, 544120), (122, 419240), (188, 272060), (223, 229360), (235, 217648), (244, 209620), (305, 167696), (376, 136030), (446, 114680), (470, 108824), (488, 104810), (610, 83848), (752, 68015), (892, 57340), (940, 54412), (976, 52405), (1115, 45872), (1220, 41924), (1784, 28670), (1880, 27206), (2230, 22936), (2440, 20962), (2867, 17840), (3568, 14335), (3760, 13603), (4460, 11468), (4880, 10481), (5734, 8920)]