26739980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 37126900

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 43, 59, 62, 68, 85, 86, 118, 124, 155, 170, 172, 215, 236, 295, 310, 340, 430, 527, 590, 620, 731, 860, 1003, 1054, 1180, 1333, 1462, 1829, 2006, 2108, 2537, 2635, 2666, 2924, 3655, 3658, 4012, 5015, 5074, 5270, 5332, 6665, 7310, 7316, 9145, 10030, 10148, 10540, 12685, 13330, 14620, 18290, 20060, 22661, 25370, 26660, 31093, 36580, 43129, 45322, 50740, 62186, 78647, 86258, 90644, 113305, 124372, 155465, 157294, 172516, 215645, 226610, 310930, 314588, 393235, 431290, 453220, 621860, 786470, 862580, 1336999, 1572940, 2673998, 5347996, 6684995, 13369990, 26739980]

約数ペア:

[(1, 26739980), (2, 13369990), (4, 6684995), (5, 5347996), (10, 2673998), (17, 1572940), (20, 1336999), (31, 862580), (34, 786470), (43, 621860), (59, 453220), (62, 431290), (68, 393235), (85, 314588), (86, 310930), (118, 226610), (124, 215645), (155, 172516), (170, 157294), (172, 155465), (215, 124372), (236, 113305), (295, 90644), (310, 86258), (340, 78647), (430, 62186), (527, 50740), (590, 45322), (620, 43129), (731, 36580), (860, 31093), (1003, 26660), (1054, 25370), (1180, 22661), (1333, 20060), (1462, 18290), (1829, 14620), (2006, 13330), (2108, 12685), (2537, 10540), (2635, 10148), (2666, 10030), (2924, 9145), (3655, 7316), (3658, 7310), (4012, 6665), (5015, 5332), (5074, 5270)]