64969600

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 163159200

約数和(自身を除く): 98189600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 158, 160, 200, 257, 316, 320, 395, 400, 514, 632, 640, 790, 800, 1028, 1264, 1285, 1580, 1600, 1975, 2056, 2528, 2570, 3160, 3200, 3950, 4112, 5056, 5140, 6320, 6425, 7900, 8224, 10112, 10280, 12640, 12850, 15800, 16448, 20303, 20560, 25280, 25700, 31600, 32896, 40606, 41120, 50560, 51400, 63200, 81212, 82240, 101515, 102800, 126400, 162424, 164480, 203030, 205600, 252800, 324848, 406060, 411200, 507575, 649696, 812120, 822400, 1015150, 1299392, 1624240, 2030300, 2598784, 3248480, 4060600, 6496960, 8121200, 12993920, 16242400, 32484800, 64969600]

約数ペア:

[(1, 64969600), (2, 32484800), (4, 16242400), (5, 12993920), (8, 8121200), (10, 6496960), (16, 4060600), (20, 3248480), (25, 2598784), (32, 2030300), (40, 1624240), (50, 1299392), (64, 1015150), (79, 822400), (80, 812120), (100, 649696), (128, 507575), (158, 411200), (160, 406060), (200, 324848), (257, 252800), (316, 205600), (320, 203030), (395, 164480), (400, 162424), (514, 126400), (632, 102800), (640, 101515), (790, 82240), (800, 81212), (1028, 63200), (1264, 51400), (1285, 50560), (1580, 41120), (1600, 40606), (1975, 32896), (2056, 31600), (2528, 25700), (2570, 25280), (3160, 20560), (3200, 20303), (3950, 16448), (4112, 15800), (5056, 12850), (5140, 12640), (6320, 10280), (6425, 10112), (7900, 8224)]