201630529720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82635463}}^1$

素因数の和:82635535

約数の個数: 32

約数和(自身を含む): 461105889120

約数和(自身を除く): 259475359400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82635463, 165270926, 330541852, 413177315, 661083704, 826354630, 1652709260, 3305418520, 5040763243, 10081526486, 20163052972, 25203816215, 40326105944, 50407632430, 100815264860, 201630529720]

約数ペア:

[(1, 201630529720), (2, 100815264860), (4, 50407632430), (5, 40326105944), (8, 25203816215), (10, 20163052972), (20, 10081526486), (40, 5040763243), (61, 3305418520), (122, 1652709260), (244, 826354630), (305, 661083704), (488, 413177315), (610, 330541852), (1220, 165270926), (2440, 82635463)]