201967520

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1951}}^1$

素因数の和:2613

約数の個数: 48

約数和(自身を含む): 478130688

約数和(自身を除く): 276163168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 1294, 1951, 2588, 3235, 3902, 5176, 6470, 7804, 9755, 10352, 12940, 15608, 19510, 20704, 25880, 31216, 39020, 51760, 62432, 78040, 103520, 156080, 312160, 1262297, 2524594, 5049188, 6311485, 10098376, 12622970, 20196752, 25245940, 40393504, 50491880, 100983760, 201967520]

約数ペア:

[(1, 201967520), (2, 100983760), (4, 50491880), (5, 40393504), (8, 25245940), (10, 20196752), (16, 12622970), (20, 10098376), (32, 6311485), (40, 5049188), (80, 2524594), (160, 1262297), (647, 312160), (1294, 156080), (1951, 103520), (2588, 78040), (3235, 62432), (3902, 51760), (5176, 39020), (6470, 31216), (7804, 25880), (9755, 20704), (10352, 19510), (12940, 15608)]