13201660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 15828740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 199, 214, 310, 398, 428, 535, 620, 796, 995, 1070, 1990, 2140, 3317, 3980, 6169, 6634, 12338, 13268, 16585, 21293, 24676, 30845, 33170, 42586, 61690, 66340, 85172, 106465, 123380, 212930, 425860, 660083, 1320166, 2640332, 3300415, 6600830, 13201660]

約数ペア:

[(1, 13201660), (2, 6600830), (4, 3300415), (5, 2640332), (10, 1320166), (20, 660083), (31, 425860), (62, 212930), (107, 123380), (124, 106465), (155, 85172), (199, 66340), (214, 61690), (310, 42586), (398, 33170), (428, 30845), (535, 24676), (620, 21293), (796, 16585), (995, 13268), (1070, 12338), (1990, 6634), (2140, 6169), (3317, 3980)]