68489720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131711}}^1$

素因数の和:131735

約数の個数: 32

約数和(自身を含む): 165957120

約数和(自身を除く): 97467400

約数列:

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

約数ペア:

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