2019958240

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{141851}}^1$

素因数の和:141955

約数の個数: 48

約数和(自身を含む): 4825805040

約数和(自身を除く): 2805846800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 141851, 283702, 567404, 709255, 1134808, 1418510, 2269616, 2837020, 4539232, 5674040, 11348080, 12624739, 22696160, 25249478, 50498956, 63123695, 100997912, 126247390, 201995824, 252494780, 403991648, 504989560, 1009979120, 2019958240]

約数ペア:

[(1, 2019958240), (2, 1009979120), (4, 504989560), (5, 403991648), (8, 252494780), (10, 201995824), (16, 126247390), (20, 100997912), (32, 63123695), (40, 50498956), (80, 25249478), (89, 22696160), (160, 12624739), (178, 11348080), (356, 5674040), (445, 4539232), (712, 2837020), (890, 2269616), (1424, 1418510), (1780, 1134808), (2848, 709255), (3560, 567404), (7120, 283702), (14240, 141851)]