228865520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220063}}^1$

素因数の和:220089

約数の個数: 40

約数和(自身を含む): 573046656

約数和(自身を除く): 344181136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 220063, 440126, 880252, 1100315, 1760504, 2200630, 2860819, 3521008, 4401260, 5721638, 8802520, 11443276, 14304095, 17605040, 22886552, 28608190, 45773104, 57216380, 114432760, 228865520]

約数ペア:

[(1, 228865520), (2, 114432760), (4, 57216380), (5, 45773104), (8, 28608190), (10, 22886552), (13, 17605040), (16, 14304095), (20, 11443276), (26, 8802520), (40, 5721638), (52, 4401260), (65, 3521008), (80, 2860819), (104, 2200630), (130, 1760504), (208, 1100315), (260, 880252), (520, 440126), (1040, 220063)]