16497560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 38905920

約数和(自身を除く): 22408360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 157, 185, 284, 296, 314, 355, 370, 568, 628, 710, 740, 785, 1256, 1420, 1480, 1570, 2627, 2840, 3140, 5254, 5809, 6280, 10508, 11147, 11618, 13135, 21016, 22294, 23236, 26270, 29045, 44588, 46472, 52540, 55735, 58090, 89176, 105080, 111470, 116180, 222940, 232360, 412439, 445880, 824878, 1649756, 2062195, 3299512, 4124390, 8248780, 16497560]

約数ペア:

[(1, 16497560), (2, 8248780), (4, 4124390), (5, 3299512), (8, 2062195), (10, 1649756), (20, 824878), (37, 445880), (40, 412439), (71, 232360), (74, 222940), (142, 116180), (148, 111470), (157, 105080), (185, 89176), (284, 58090), (296, 55735), (314, 52540), (355, 46472), (370, 44588), (568, 29045), (628, 26270), (710, 23236), (740, 22294), (785, 21016), (1256, 13135), (1420, 11618), (1480, 11147), (1570, 10508), (2627, 6280), (2840, 5809), (3140, 5254)]