51673720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1031}}^1$

素因数の和:1228

約数の個数: 64

約数和(自身を含む): 133747200

約数和(自身を除く): 82073480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1031, 1253, 1432, 1790, 2062, 2506, 3580, 4124, 5012, 5155, 6265, 7160, 7217, 8248, 10024, 10310, 12530, 14434, 20620, 25060, 28868, 36085, 41240, 50120, 57736, 72170, 144340, 184549, 288680, 369098, 738196, 922745, 1291843, 1476392, 1845490, 2583686, 3690980, 5167372, 6459215, 7381960, 10334744, 12918430, 25836860, 51673720]

約数ペア:

[(1, 51673720), (2, 25836860), (4, 12918430), (5, 10334744), (7, 7381960), (8, 6459215), (10, 5167372), (14, 3690980), (20, 2583686), (28, 1845490), (35, 1476392), (40, 1291843), (56, 922745), (70, 738196), (140, 369098), (179, 288680), (280, 184549), (358, 144340), (716, 72170), (895, 57736), (1031, 50120), (1253, 41240), (1432, 36085), (1790, 28868), (2062, 25060), (2506, 20620), (3580, 14434), (4124, 12530), (5012, 10310), (5155, 10024), (6265, 8248), (7160, 7217)]