31605220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 69931008

約数和(自身を除く): 38325788

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 230, 254, 460, 508, 541, 635, 1082, 1270, 2164, 2540, 2705, 2921, 5410, 5842, 10820, 11684, 12443, 14605, 24886, 29210, 49772, 58420, 62215, 68707, 124430, 137414, 248860, 274828, 343535, 687070, 1374140, 1580261, 3160522, 6321044, 7901305, 15802610, 31605220]

約数ペア:

[(1, 31605220), (2, 15802610), (4, 7901305), (5, 6321044), (10, 3160522), (20, 1580261), (23, 1374140), (46, 687070), (92, 343535), (115, 274828), (127, 248860), (230, 137414), (254, 124430), (460, 68707), (508, 62215), (541, 58420), (635, 49772), (1082, 29210), (1270, 24886), (2164, 14605), (2540, 12443), (2705, 11684), (2921, 10820), (5410, 5842)]