18915663650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{1181}}^1$

素因数の和:1848

約数の個数: 96

約数和(自身を含む): 38911165776

約数和(自身を除く): 19995502126

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 601, 650, 1025, 1066, 1181, 1202, 2050, 2362, 2665, 3005, 5330, 5905, 6010, 7813, 11810, 13325, 15025, 15353, 15626, 24641, 26650, 29525, 30050, 30706, 39065, 48421, 49282, 59050, 76765, 78130, 96842, 123205, 153530, 195325, 242105, 246410, 320333, 383825, 390650, 484210, 616025, 629473, 640666, 709781, 767650, 1210525, 1232050, 1258946, 1419562, 1601665, 2421050, 3147365, 3203330, 3548905, 6294730, 7097810, 8008325, 9227153, 15736825, 16016650, 17744525, 18454306, 29101021, 31473650, 35489050, 46135765, 58202042, 92271530, 145505105, 230678825, 291010210, 378313273, 461357650, 727525525, 756626546, 1455051050, 1891566365, 3783132730, 9457831825, 18915663650]

約数ペア:

[(1, 18915663650), (2, 9457831825), (5, 3783132730), (10, 1891566365), (13, 1455051050), (25, 756626546), (26, 727525525), (41, 461357650), (50, 378313273), (65, 291010210), (82, 230678825), (130, 145505105), (205, 92271530), (325, 58202042), (410, 46135765), (533, 35489050), (601, 31473650), (650, 29101021), (1025, 18454306), (1066, 17744525), (1181, 16016650), (1202, 15736825), (2050, 9227153), (2362, 8008325), (2665, 7097810), (3005, 6294730), (5330, 3548905), (5905, 3203330), (6010, 3147365), (7813, 2421050), (11810, 1601665), (13325, 1419562), (15025, 1258946), (15353, 1232050), (15626, 1210525), (24641, 767650), (26650, 709781), (29525, 640666), (30050, 629473), (30706, 616025), (39065, 484210), (48421, 390650), (49282, 383825), (59050, 320333), (76765, 246410), (78130, 242105), (96842, 195325), (123205, 153530)]