13142920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 34312320

約数和(自身を除く): 21169400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 643, 730, 1022, 1286, 1460, 2044, 2555, 2572, 2920, 3215, 4088, 4501, 5110, 5144, 6430, 9002, 10220, 12860, 18004, 20440, 22505, 25720, 36008, 45010, 46939, 90020, 93878, 180040, 187756, 234695, 328573, 375512, 469390, 657146, 938780, 1314292, 1642865, 1877560, 2628584, 3285730, 6571460, 13142920]

約数ペア:

[(1, 13142920), (2, 6571460), (4, 3285730), (5, 2628584), (7, 1877560), (8, 1642865), (10, 1314292), (14, 938780), (20, 657146), (28, 469390), (35, 375512), (40, 328573), (56, 234695), (70, 187756), (73, 180040), (140, 93878), (146, 90020), (280, 46939), (292, 45010), (365, 36008), (511, 25720), (584, 22505), (643, 20440), (730, 18004), (1022, 12860), (1286, 10220), (1460, 9002), (2044, 6430), (2555, 5144), (2572, 5110), (2920, 4501), (3215, 4088)]