16729425700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{28661}}^1$

素因数の和:29137

約数の個数: 72

約数和(自身を含む): 39183820200

約数和(自身を除く): 22454394500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 449, 650, 898, 1300, 1796, 2245, 4490, 5837, 8980, 11225, 11674, 22450, 23348, 28661, 29185, 44900, 57322, 58370, 114644, 116740, 143305, 145925, 286610, 291850, 372593, 573220, 583700, 716525, 745186, 1433050, 1490372, 1862965, 2866100, 3725930, 7451860, 9314825, 12868789, 18629650, 25737578, 37259300, 51475156, 64343945, 128687890, 167294257, 257375780, 321719725, 334588514, 643439450, 669177028, 836471285, 1286878900, 1672942570, 3345885140, 4182356425, 8364712850, 16729425700]

約数ペア:

[(1, 16729425700), (2, 8364712850), (4, 4182356425), (5, 3345885140), (10, 1672942570), (13, 1286878900), (20, 836471285), (25, 669177028), (26, 643439450), (50, 334588514), (52, 321719725), (65, 257375780), (100, 167294257), (130, 128687890), (260, 64343945), (325, 51475156), (449, 37259300), (650, 25737578), (898, 18629650), (1300, 12868789), (1796, 9314825), (2245, 7451860), (4490, 3725930), (5837, 2866100), (8980, 1862965), (11225, 1490372), (11674, 1433050), (22450, 745186), (23348, 716525), (28661, 583700), (29185, 573220), (44900, 372593), (57322, 291850), (58370, 286610), (114644, 145925), (116740, 143305)]