37647523880

素因数分解:

$2^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{471301}}^1$

素因数の和:473309

約数の個数: 32

約数和(自身を含む): 84749525640

約数和(自身を除く): 47102001760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1997, 3994, 7988, 9985, 15976, 19970, 39940, 79880, 471301, 942602, 1885204, 2356505, 3770408, 4713010, 9426020, 18852040, 941188097, 1882376194, 3764752388, 4705940485, 7529504776, 9411880970, 18823761940, 37647523880]

約数ペア:

[(1, 37647523880), (2, 18823761940), (4, 9411880970), (5, 7529504776), (8, 4705940485), (10, 3764752388), (20, 1882376194), (40, 941188097), (1997, 18852040), (3994, 9426020), (7988, 4713010), (9985, 3770408), (15976, 2356505), (19970, 1885204), (39940, 942602), (79880, 471301)]