26727760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5477}}^1$

素因数の和:5551

約数の個数: 40

約数和(自身を含む): 63172296

約数和(自身を除く): 36444536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5477, 10954, 21908, 27385, 43816, 54770, 87632, 109540, 219080, 334097, 438160, 668194, 1336388, 1670485, 2672776, 3340970, 5345552, 6681940, 13363880, 26727760]

約数ペア:

[(1, 26727760), (2, 13363880), (4, 6681940), (5, 5345552), (8, 3340970), (10, 2672776), (16, 1670485), (20, 1336388), (40, 668194), (61, 438160), (80, 334097), (122, 219080), (244, 109540), (305, 87632), (488, 54770), (610, 43816), (976, 27385), (1220, 21908), (2440, 10954), (4880, 5477)]