39891430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 75333888

約数和(自身を除く): 35442458

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 251, 502, 691, 1255, 1382, 2510, 3455, 5773, 6910, 11546, 15893, 28865, 31786, 57730, 79465, 158930, 173441, 346882, 867205, 1734410, 3989143, 7978286, 19945715, 39891430]

約数ペア:

[(1, 39891430), (2, 19945715), (5, 7978286), (10, 3989143), (23, 1734410), (46, 867205), (115, 346882), (230, 173441), (251, 158930), (502, 79465), (691, 57730), (1255, 31786), (1382, 28865), (2510, 15893), (3455, 11546), (5773, 6910)]