80430400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2996

約数の個数: 84

約数和(自身を含む): 209621628

約数和(自身を除く): 129191228

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 800, 850, 1088, 1360, 1600, 1700, 2720, 2957, 3400, 5440, 5914, 6800, 11828, 13600, 14785, 23656, 27200, 29570, 47312, 50269, 59140, 73925, 94624, 100538, 118280, 147850, 189248, 201076, 236560, 251345, 295700, 402152, 473120, 502690, 591400, 804304, 946240, 1005380, 1182800, 1256725, 1608608, 2010760, 2365600, 2513450, 3217216, 4021520, 4731200, 5026900, 8043040, 10053800, 16086080, 20107600, 40215200, 80430400]

約数ペア:

[(1, 80430400), (2, 40215200), (4, 20107600), (5, 16086080), (8, 10053800), (10, 8043040), (16, 5026900), (17, 4731200), (20, 4021520), (25, 3217216), (32, 2513450), (34, 2365600), (40, 2010760), (50, 1608608), (64, 1256725), (68, 1182800), (80, 1005380), (85, 946240), (100, 804304), (136, 591400), (160, 502690), (170, 473120), (200, 402152), (272, 295700), (320, 251345), (340, 236560), (400, 201076), (425, 189248), (544, 147850), (680, 118280), (800, 100538), (850, 94624), (1088, 73925), (1360, 59140), (1600, 50269), (1700, 47312), (2720, 29570), (2957, 27200), (3400, 23656), (5440, 14785), (5914, 13600), (6800, 11828)]