65306800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 178130960

約数和(自身を除く): 112824160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 200, 208, 247, 260, 304, 325, 380, 400, 475, 494, 520, 650, 661, 760, 950, 988, 1040, 1235, 1300, 1322, 1520, 1900, 1976, 2470, 2600, 2644, 3305, 3800, 3952, 4940, 5200, 5288, 6175, 6610, 7600, 8593, 9880, 10576, 12350, 12559, 13220, 16525, 17186, 19760, 24700, 25118, 26440, 33050, 34372, 42965, 49400, 50236, 52880, 62795, 66100, 68744, 85930, 98800, 100472, 125590, 132200, 137488, 163267, 171860, 200944, 214825, 251180, 264400, 313975, 326534, 343720, 429650, 502360, 627950, 653068, 687440, 816335, 859300, 1004720, 1255900, 1306136, 1632670, 1718600, 2511800, 2612272, 3265340, 3437200, 4081675, 5023600, 6530680, 8163350, 13061360, 16326700, 32653400, 65306800]

約数ペア:

[(1, 65306800), (2, 32653400), (4, 16326700), (5, 13061360), (8, 8163350), (10, 6530680), (13, 5023600), (16, 4081675), (19, 3437200), (20, 3265340), (25, 2612272), (26, 2511800), (38, 1718600), (40, 1632670), (50, 1306136), (52, 1255900), (65, 1004720), (76, 859300), (80, 816335), (95, 687440), (100, 653068), (104, 627950), (130, 502360), (152, 429650), (190, 343720), (200, 326534), (208, 313975), (247, 264400), (260, 251180), (304, 214825), (325, 200944), (380, 171860), (400, 163267), (475, 137488), (494, 132200), (520, 125590), (650, 100472), (661, 98800), (760, 85930), (950, 68744), (988, 66100), (1040, 62795), (1235, 52880), (1300, 50236), (1322, 49400), (1520, 42965), (1900, 34372), (1976, 33050), (2470, 26440), (2600, 25118), (2644, 24700), (3305, 19760), (3800, 17186), (3952, 16525), (4940, 13220), (5200, 12559), (5288, 12350), (6175, 10576), (6610, 9880), (7600, 8593)]