12162820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 27433728

約数和(自身を除く): 15270908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 431, 830, 862, 1411, 1660, 1724, 2155, 2822, 4310, 5644, 7055, 7327, 8620, 14110, 14654, 28220, 29308, 35773, 36635, 71546, 73270, 143092, 146540, 178865, 357730, 608141, 715460, 1216282, 2432564, 3040705, 6081410, 12162820]

約数ペア:

[(1, 12162820), (2, 6081410), (4, 3040705), (5, 2432564), (10, 1216282), (17, 715460), (20, 608141), (34, 357730), (68, 178865), (83, 146540), (85, 143092), (166, 73270), (170, 71546), (332, 36635), (340, 35773), (415, 29308), (431, 28220), (830, 14654), (862, 14110), (1411, 8620), (1660, 7327), (1724, 7055), (2155, 5644), (2822, 4310)]