51059440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10463}}^1$

素因数の和:10537

約数の個数: 40

約数和(自身を含む): 120670848

約数和(自身を除く): 69611408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 10463, 20926, 41852, 52315, 83704, 104630, 167408, 209260, 418520, 638243, 837040, 1276486, 2552972, 3191215, 5105944, 6382430, 10211888, 12764860, 25529720, 51059440]

約数ペア:

[(1, 51059440), (2, 25529720), (4, 12764860), (5, 10211888), (8, 6382430), (10, 5105944), (16, 3191215), (20, 2552972), (40, 1276486), (61, 837040), (80, 638243), (122, 418520), (244, 209260), (305, 167408), (488, 104630), (610, 83704), (976, 52315), (1220, 41852), (2440, 20926), (4880, 10463)]