2022879987500

素因数分解:

$2^2\times 5^5\times {\mathrm{20639}}^1\times {\mathrm{7841}}^1$

素因数の和:28509

約数の個数: 72

約数和(自身を含む): 4425545496960

約数和(自身を除く): 2402665509460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3125, 6250, 7841, 12500, 15682, 20639, 31364, 39205, 41278, 78410, 82556, 103195, 156820, 196025, 206390, 392050, 412780, 515975, 784100, 980125, 1031950, 1960250, 2063900, 2579875, 3920500, 4900625, 5159750, 9801250, 10319500, 12899375, 19602500, 24503125, 25798750, 49006250, 51597500, 64496875, 98012500, 128993750, 161830399, 257987500, 323660798, 647321596, 809151995, 1618303990, 3236607980, 4045759975, 8091519950, 16183039900, 20228799875, 40457599750, 80915199500, 101143999375, 202287998750, 404575997500, 505719996875, 1011439993750, 2022879987500]

約数ペア:

[(1, 2022879987500), (2, 1011439993750), (4, 505719996875), (5, 404575997500), (10, 202287998750), (20, 101143999375), (25, 80915199500), (50, 40457599750), (100, 20228799875), (125, 16183039900), (250, 8091519950), (500, 4045759975), (625, 3236607980), (1250, 1618303990), (2500, 809151995), (3125, 647321596), (6250, 323660798), (7841, 257987500), (12500, 161830399), (15682, 128993750), (20639, 98012500), (31364, 64496875), (39205, 51597500), (41278, 49006250), (78410, 25798750), (82556, 24503125), (103195, 19602500), (156820, 12899375), (196025, 10319500), (206390, 9801250), (392050, 5159750), (412780, 4900625), (515975, 3920500), (784100, 2579875), (980125, 2063900), (1031950, 1960250)]