39983890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:954

約数の個数: 32

約数和(自身を含む): 75499776

約数和(自身を除く): 35515886

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 263, 526, 661, 1315, 1322, 2630, 3305, 6049, 6610, 12098, 15203, 30245, 30406, 60490, 76015, 152030, 173843, 347686, 869215, 1738430, 3998389, 7996778, 19991945, 39983890]

約数ペア:

[(1, 39983890), (2, 19991945), (5, 7996778), (10, 3998389), (23, 1738430), (46, 869215), (115, 347686), (230, 173843), (263, 152030), (526, 76015), (661, 60490), (1315, 30406), (1322, 30245), (2630, 15203), (3305, 12098), (6049, 6610)]