22117940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 50593872

約数和(自身を除く): 28475932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 877, 970, 1261, 1754, 1940, 2522, 3508, 4385, 5044, 6305, 8770, 11401, 12610, 17540, 22802, 25220, 45604, 57005, 85069, 114010, 170138, 228020, 340276, 425345, 850690, 1105897, 1701380, 2211794, 4423588, 5529485, 11058970, 22117940]

約数ペア:

[(1, 22117940), (2, 11058970), (4, 5529485), (5, 4423588), (10, 2211794), (13, 1701380), (20, 1105897), (26, 850690), (52, 425345), (65, 340276), (97, 228020), (130, 170138), (194, 114010), (260, 85069), (388, 57005), (485, 45604), (877, 25220), (970, 22802), (1261, 17540), (1754, 12610), (1940, 11401), (2522, 8770), (3508, 6305), (4385, 5044)]