40657400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 109412640

約数和(自身を除く): 68755240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 113, 140, 175, 200, 226, 257, 280, 350, 452, 514, 565, 700, 791, 904, 1028, 1130, 1285, 1400, 1582, 1799, 2056, 2260, 2570, 2825, 3164, 3598, 3955, 4520, 5140, 5650, 6328, 6425, 7196, 7910, 8995, 10280, 11300, 12850, 14392, 15820, 17990, 19775, 22600, 25700, 29041, 31640, 35980, 39550, 44975, 51400, 58082, 71960, 79100, 89950, 116164, 145205, 158200, 179900, 203287, 232328, 290410, 359800, 406574, 580820, 726025, 813148, 1016435, 1161640, 1452050, 1626296, 2032870, 2904100, 4065740, 5082175, 5808200, 8131480, 10164350, 20328700, 40657400]

約数ペア:

[(1, 40657400), (2, 20328700), (4, 10164350), (5, 8131480), (7, 5808200), (8, 5082175), (10, 4065740), (14, 2904100), (20, 2032870), (25, 1626296), (28, 1452050), (35, 1161640), (40, 1016435), (50, 813148), (56, 726025), (70, 580820), (100, 406574), (113, 359800), (140, 290410), (175, 232328), (200, 203287), (226, 179900), (257, 158200), (280, 145205), (350, 116164), (452, 89950), (514, 79100), (565, 71960), (700, 58082), (791, 51400), (904, 44975), (1028, 39550), (1130, 35980), (1285, 31640), (1400, 29041), (1582, 25700), (1799, 22600), (2056, 19775), (2260, 17990), (2570, 15820), (2825, 14392), (3164, 12850), (3598, 11300), (3955, 10280), (4520, 8995), (5140, 7910), (5650, 7196), (6328, 6425)]