29688620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1283}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 67949280

約数和(自身を除く): 38260660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1283, 1780, 2314, 2566, 4628, 5132, 5785, 6415, 11570, 12830, 16679, 23140, 25660, 33358, 66716, 83395, 114187, 166790, 228374, 333580, 456748, 570935, 1141870, 1484431, 2283740, 2968862, 5937724, 7422155, 14844310, 29688620]

約数ペア:

[(1, 29688620), (2, 14844310), (4, 7422155), (5, 5937724), (10, 2968862), (13, 2283740), (20, 1484431), (26, 1141870), (52, 570935), (65, 456748), (89, 333580), (130, 228374), (178, 166790), (260, 114187), (356, 83395), (445, 66716), (890, 33358), (1157, 25660), (1283, 23140), (1780, 16679), (2314, 12830), (2566, 11570), (4628, 6415), (5132, 5785)]