40256480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 105325920

約数和(自身を除く): 65069440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 89, 110, 160, 176, 178, 220, 257, 352, 356, 440, 445, 514, 712, 880, 890, 979, 1028, 1285, 1424, 1760, 1780, 1958, 2056, 2570, 2827, 2848, 3560, 3916, 4112, 4895, 5140, 5654, 7120, 7832, 8224, 9790, 10280, 11308, 14135, 14240, 15664, 19580, 20560, 22616, 22873, 28270, 31328, 39160, 41120, 45232, 45746, 56540, 78320, 90464, 91492, 113080, 114365, 156640, 182984, 226160, 228730, 251603, 365968, 452320, 457460, 503206, 731936, 914920, 1006412, 1258015, 1829840, 2012824, 2516030, 3659680, 4025648, 5032060, 8051296, 10064120, 20128240, 40256480]

約数ペア:

[(1, 40256480), (2, 20128240), (4, 10064120), (5, 8051296), (8, 5032060), (10, 4025648), (11, 3659680), (16, 2516030), (20, 2012824), (22, 1829840), (32, 1258015), (40, 1006412), (44, 914920), (55, 731936), (80, 503206), (88, 457460), (89, 452320), (110, 365968), (160, 251603), (176, 228730), (178, 226160), (220, 182984), (257, 156640), (352, 114365), (356, 113080), (440, 91492), (445, 90464), (514, 78320), (712, 56540), (880, 45746), (890, 45232), (979, 41120), (1028, 39160), (1285, 31328), (1424, 28270), (1760, 22873), (1780, 22616), (1958, 20560), (2056, 19580), (2570, 15664), (2827, 14240), (2848, 14135), (3560, 11308), (3916, 10280), (4112, 9790), (4895, 8224), (5140, 7832), (5654, 7120)]