72137390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1061}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 140234976

約数和(自身を除く): 68097586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 523, 1046, 1061, 2122, 2615, 5230, 5305, 6799, 10610, 13598, 13793, 27586, 33995, 67990, 68965, 137930, 554903, 1109806, 2774515, 5549030, 7213739, 14427478, 36068695, 72137390]

約数ペア:

[(1, 72137390), (2, 36068695), (5, 14427478), (10, 7213739), (13, 5549030), (26, 2774515), (65, 1109806), (130, 554903), (523, 137930), (1046, 68965), (1061, 67990), (2122, 33995), (2615, 27586), (5230, 13793), (5305, 13598), (6799, 10610)]