63990920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{228539}}^1$

素因数の和:228557

約数の個数: 32

約数和(自身を含む): 164548800

約数和(自身を除く): 100557880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 228539, 457078, 914156, 1142695, 1599773, 1828312, 2285390, 3199546, 4570780, 6399092, 7998865, 9141560, 12798184, 15997730, 31995460, 63990920]

約数ペア:

[(1, 63990920), (2, 31995460), (4, 15997730), (5, 12798184), (7, 9141560), (8, 7998865), (10, 6399092), (14, 4570780), (20, 3199546), (28, 2285390), (35, 1828312), (40, 1599773), (56, 1142695), (70, 914156), (140, 457078), (280, 228539)]