136979440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131711}}^1$

素因数の和:131737

約数の個数: 40

約数和(自身を含む): 342978048

約数和(自身を除く): 205998608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 131711, 263422, 526844, 658555, 1053688, 1317110, 1712243, 2107376, 2634220, 3424486, 5268440, 6848972, 8561215, 10536880, 13697944, 17122430, 27395888, 34244860, 68489720, 136979440]

約数ペア:

[(1, 136979440), (2, 68489720), (4, 34244860), (5, 27395888), (8, 17122430), (10, 13697944), (13, 10536880), (16, 8561215), (20, 6848972), (26, 5268440), (40, 3424486), (52, 2634220), (65, 2107376), (80, 1712243), (104, 1317110), (130, 1053688), (208, 658555), (260, 526844), (520, 263422), (1040, 131711)]