81934400

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1312

約数の個数: 84

約数和(自身を含む): 206692500

約数和(自身を除く): 124758100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1249, 1312, 1600, 1640, 2050, 2498, 2624, 3280, 4100, 4996, 6245, 6560, 8200, 9992, 12490, 13120, 16400, 19984, 24980, 31225, 32800, 39968, 49960, 51209, 62450, 65600, 79936, 99920, 102418, 124900, 199840, 204836, 249800, 256045, 399680, 409672, 499600, 512090, 819344, 999200, 1024180, 1280225, 1638688, 1998400, 2048360, 2560450, 3277376, 4096720, 5120900, 8193440, 10241800, 16386880, 20483600, 40967200, 81934400]

約数ペア:

[(1, 81934400), (2, 40967200), (4, 20483600), (5, 16386880), (8, 10241800), (10, 8193440), (16, 5120900), (20, 4096720), (25, 3277376), (32, 2560450), (40, 2048360), (41, 1998400), (50, 1638688), (64, 1280225), (80, 1024180), (82, 999200), (100, 819344), (160, 512090), (164, 499600), (200, 409672), (205, 399680), (320, 256045), (328, 249800), (400, 204836), (410, 199840), (656, 124900), (800, 102418), (820, 99920), (1025, 79936), (1249, 65600), (1312, 62450), (1600, 51209), (1640, 49960), (2050, 39968), (2498, 32800), (2624, 31225), (3280, 24980), (4100, 19984), (4996, 16400), (6245, 13120), (6560, 12490), (8200, 9992)]