66907900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{16319}}^1$

素因数の和:16374

約数の個数: 36

約数和(自身を含む): 148740480

約数和(自身を除く): 81832580

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 16319, 32638, 65276, 81595, 163190, 326380, 407975, 669079, 815950, 1338158, 1631900, 2676316, 3345395, 6690790, 13381580, 16726975, 33453950, 66907900]

約数ペア:

[(1, 66907900), (2, 33453950), (4, 16726975), (5, 13381580), (10, 6690790), (20, 3345395), (25, 2676316), (41, 1631900), (50, 1338158), (82, 815950), (100, 669079), (164, 407975), (205, 326380), (410, 163190), (820, 81595), (1025, 65276), (2050, 32638), (4100, 16319)]