71805520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5717}}^1$

素因数の和:5887

約数の個数: 40

約数和(自身を含む): 168040584

約数和(自身を除く): 96235064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 5717, 6280, 11434, 12560, 22868, 28585, 45736, 57170, 91472, 114340, 228680, 457360, 897569, 1795138, 3590276, 4487845, 7180552, 8975690, 14361104, 17951380, 35902760, 71805520]

約数ペア:

[(1, 71805520), (2, 35902760), (4, 17951380), (5, 14361104), (8, 8975690), (10, 7180552), (16, 4487845), (20, 3590276), (40, 1795138), (80, 897569), (157, 457360), (314, 228680), (628, 114340), (785, 91472), (1256, 57170), (1570, 45736), (2512, 28585), (3140, 22868), (5717, 12560), (6280, 11434)]