16645460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 38203536

約数和(自身を除く): 21558076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 877, 949, 1460, 1754, 1898, 3508, 3796, 4385, 4745, 8770, 9490, 11401, 17540, 18980, 22802, 45604, 57005, 64021, 114010, 128042, 228020, 256084, 320105, 640210, 832273, 1280420, 1664546, 3329092, 4161365, 8322730, 16645460]

約数ペア:

[(1, 16645460), (2, 8322730), (4, 4161365), (5, 3329092), (10, 1664546), (13, 1280420), (20, 832273), (26, 640210), (52, 320105), (65, 256084), (73, 228020), (130, 128042), (146, 114010), (260, 64021), (292, 57005), (365, 45604), (730, 22802), (877, 18980), (949, 17540), (1460, 11401), (1754, 9490), (1898, 8770), (3508, 4745), (3796, 4385)]