61939760

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2857}}^1$

素因数の和:3141

約数の個数: 40

約数和(自身を含む): 144591936

約数和(自身を除く): 82652176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 2857, 4336, 5420, 5714, 10840, 11428, 14285, 21680, 22856, 28570, 45712, 57140, 114280, 228560, 774247, 1548494, 3096988, 3871235, 6193976, 7742470, 12387952, 15484940, 30969880, 61939760]

約数ペア:

[(1, 61939760), (2, 30969880), (4, 15484940), (5, 12387952), (8, 7742470), (10, 6193976), (16, 3871235), (20, 3096988), (40, 1548494), (80, 774247), (271, 228560), (542, 114280), (1084, 57140), (1355, 45712), (2168, 28570), (2710, 22856), (2857, 21680), (4336, 14285), (5420, 11428), (5714, 10840)]