99991520

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1801}}^1$

素因数の和:2163

約数の個数: 48

約数和(自身を含む): 237042288

約数和(自身を除く): 137050768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1388, 1735, 1801, 2776, 3470, 3602, 5552, 6940, 7204, 9005, 11104, 13880, 14408, 18010, 27760, 28816, 36020, 55520, 57632, 72040, 144080, 288160, 624947, 1249894, 2499788, 3124735, 4999576, 6249470, 9999152, 12498940, 19998304, 24997880, 49995760, 99991520]

約数ペア:

[(1, 99991520), (2, 49995760), (4, 24997880), (5, 19998304), (8, 12498940), (10, 9999152), (16, 6249470), (20, 4999576), (32, 3124735), (40, 2499788), (80, 1249894), (160, 624947), (347, 288160), (694, 144080), (1388, 72040), (1735, 57632), (1801, 55520), (2776, 36020), (3470, 28816), (3602, 27760), (5552, 18010), (6940, 14408), (7204, 13880), (9005, 11104)]