72550120

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5197}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 163737000

約数和(自身を除く): 91186880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 5197, 6980, 10394, 13960, 20788, 25985, 41576, 51970, 103940, 207880, 1813753, 3627506, 7255012, 9068765, 14510024, 18137530, 36275060, 72550120]

約数ペア:

[(1, 72550120), (2, 36275060), (4, 18137530), (5, 14510024), (8, 9068765), (10, 7255012), (20, 3627506), (40, 1813753), (349, 207880), (698, 103940), (1396, 51970), (1745, 41576), (2792, 25985), (3490, 20788), (5197, 13960), (6980, 10394)]