13042060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 16351220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 431, 445, 862, 890, 1513, 1724, 1780, 2155, 3026, 4310, 6052, 7327, 7565, 8620, 14654, 15130, 29308, 30260, 36635, 38359, 73270, 76718, 146540, 153436, 191795, 383590, 652103, 767180, 1304206, 2608412, 3260515, 6521030, 13042060]

約数ペア:

[(1, 13042060), (2, 6521030), (4, 3260515), (5, 2608412), (10, 1304206), (17, 767180), (20, 652103), (34, 383590), (68, 191795), (85, 153436), (89, 146540), (170, 76718), (178, 73270), (340, 38359), (356, 36635), (431, 30260), (445, 29308), (862, 15130), (890, 14654), (1513, 8620), (1724, 7565), (1780, 7327), (2155, 6052), (3026, 4310)]