22331920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 56715120

約数和(自身を除く): 34383200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 197, 208, 218, 260, 394, 436, 520, 545, 788, 872, 985, 1040, 1090, 1417, 1576, 1744, 1970, 2180, 2561, 2834, 3152, 3940, 4360, 5122, 5668, 7085, 7880, 8720, 10244, 11336, 12805, 14170, 15760, 20488, 21473, 22672, 25610, 28340, 40976, 42946, 51220, 56680, 85892, 102440, 107365, 113360, 171784, 204880, 214730, 279149, 343568, 429460, 558298, 858920, 1116596, 1395745, 1717840, 2233192, 2791490, 4466384, 5582980, 11165960, 22331920]

約数ペア:

[(1, 22331920), (2, 11165960), (4, 5582980), (5, 4466384), (8, 2791490), (10, 2233192), (13, 1717840), (16, 1395745), (20, 1116596), (26, 858920), (40, 558298), (52, 429460), (65, 343568), (80, 279149), (104, 214730), (109, 204880), (130, 171784), (197, 113360), (208, 107365), (218, 102440), (260, 85892), (394, 56680), (436, 51220), (520, 42946), (545, 40976), (788, 28340), (872, 25610), (985, 22672), (1040, 21473), (1090, 20488), (1417, 15760), (1576, 14170), (1744, 12805), (1970, 11336), (2180, 10244), (2561, 8720), (2834, 7880), (3152, 7085), (3940, 5668), (4360, 5122)]