66766180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{523}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 151591104

約数和(自身を除く): 84824924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 523, 982, 1046, 1964, 2092, 2455, 2615, 4910, 5230, 6383, 6799, 9820, 10460, 12766, 13598, 25532, 27196, 31915, 33995, 63830, 67990, 127660, 135980, 256793, 513586, 1027172, 1283965, 2567930, 3338309, 5135860, 6676618, 13353236, 16691545, 33383090, 66766180]

約数ペア:

[(1, 66766180), (2, 33383090), (4, 16691545), (5, 13353236), (10, 6676618), (13, 5135860), (20, 3338309), (26, 2567930), (52, 1283965), (65, 1027172), (130, 513586), (260, 256793), (491, 135980), (523, 127660), (982, 67990), (1046, 63830), (1964, 33995), (2092, 31915), (2455, 27196), (2615, 25532), (4910, 13598), (5230, 12766), (6383, 10460), (6799, 9820)]