39842140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{523}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 90584928

約数和(自身を除く): 50742788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 523, 586, 1046, 1172, 1465, 2092, 2615, 2930, 3809, 5230, 5860, 6799, 7618, 10460, 13598, 15236, 19045, 27196, 33995, 38090, 67990, 76180, 135980, 153239, 306478, 612956, 766195, 1532390, 1992107, 3064780, 3984214, 7968428, 9960535, 19921070, 39842140]

約数ペア:

[(1, 39842140), (2, 19921070), (4, 9960535), (5, 7968428), (10, 3984214), (13, 3064780), (20, 1992107), (26, 1532390), (52, 766195), (65, 612956), (130, 306478), (260, 153239), (293, 135980), (523, 76180), (586, 67990), (1046, 38090), (1172, 33995), (1465, 27196), (2092, 19045), (2615, 15236), (2930, 13598), (3809, 10460), (5230, 7618), (5860, 6799)]