42865840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 108127008

約数和(自身を除く): 65261168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 733, 860, 1360, 1462, 1466, 1720, 2924, 2932, 3440, 3655, 3665, 5848, 5864, 7310, 7330, 11696, 11728, 12461, 14620, 14660, 24922, 29240, 29320, 31519, 49844, 58480, 58640, 62305, 63038, 99688, 124610, 126076, 157595, 199376, 249220, 252152, 315190, 498440, 504304, 535823, 630380, 996880, 1071646, 1260760, 2143292, 2521520, 2679115, 4286584, 5358230, 8573168, 10716460, 21432920, 42865840]

約数ペア:

[(1, 42865840), (2, 21432920), (4, 10716460), (5, 8573168), (8, 5358230), (10, 4286584), (16, 2679115), (17, 2521520), (20, 2143292), (34, 1260760), (40, 1071646), (43, 996880), (68, 630380), (80, 535823), (85, 504304), (86, 498440), (136, 315190), (170, 252152), (172, 249220), (215, 199376), (272, 157595), (340, 126076), (344, 124610), (430, 99688), (680, 63038), (688, 62305), (731, 58640), (733, 58480), (860, 49844), (1360, 31519), (1462, 29320), (1466, 29240), (1720, 24922), (2924, 14660), (2932, 14620), (3440, 12461), (3655, 11728), (3665, 11696), (5848, 7330), (5864, 7310)]