31368800

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 77479416

約数和(自身を除く): 46110616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 347, 400, 452, 565, 694, 800, 904, 1130, 1388, 1735, 1808, 2260, 2776, 2825, 3470, 3616, 4520, 5552, 5650, 6940, 8675, 9040, 11104, 11300, 13880, 17350, 18080, 22600, 27760, 34700, 39211, 45200, 55520, 69400, 78422, 90400, 138800, 156844, 196055, 277600, 313688, 392110, 627376, 784220, 980275, 1254752, 1568440, 1960550, 3136880, 3921100, 6273760, 7842200, 15684400, 31368800]

約数ペア:

[(1, 31368800), (2, 15684400), (4, 7842200), (5, 6273760), (8, 3921100), (10, 3136880), (16, 1960550), (20, 1568440), (25, 1254752), (32, 980275), (40, 784220), (50, 627376), (80, 392110), (100, 313688), (113, 277600), (160, 196055), (200, 156844), (226, 138800), (347, 90400), (400, 78422), (452, 69400), (565, 55520), (694, 45200), (800, 39211), (904, 34700), (1130, 27760), (1388, 22600), (1735, 18080), (1808, 17350), (2260, 13880), (2776, 11300), (2825, 11104), (3470, 9040), (3616, 8675), (4520, 6940), (5552, 5650)]