74209720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142711}}^1$

素因数の和:142735

約数の個数: 32

約数和(自身を含む): 179817120

約数和(自身を除く): 105607400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142711, 285422, 570844, 713555, 1141688, 1427110, 1855243, 2854220, 3710486, 5708440, 7420972, 9276215, 14841944, 18552430, 37104860, 74209720]

約数ペア:

[(1, 74209720), (2, 37104860), (4, 18552430), (5, 14841944), (8, 9276215), (10, 7420972), (13, 5708440), (20, 3710486), (26, 2854220), (40, 1855243), (52, 1427110), (65, 1141688), (104, 713555), (130, 570844), (260, 285422), (520, 142711)]