38917580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 91612752

約数和(自身を除く): 52695172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 59, 65, 86, 118, 130, 172, 215, 236, 260, 295, 430, 559, 590, 767, 860, 1118, 1180, 1534, 2236, 2537, 2795, 3068, 3481, 3835, 5074, 5590, 6962, 7670, 10148, 11180, 12685, 13924, 15340, 17405, 25370, 32981, 34810, 45253, 50740, 65962, 69620, 90506, 131924, 149683, 164905, 181012, 226265, 299366, 329810, 452530, 598732, 659620, 748415, 905060, 1496830, 1945879, 2993660, 3891758, 7783516, 9729395, 19458790, 38917580]

約数ペア:

[(1, 38917580), (2, 19458790), (4, 9729395), (5, 7783516), (10, 3891758), (13, 2993660), (20, 1945879), (26, 1496830), (43, 905060), (52, 748415), (59, 659620), (65, 598732), (86, 452530), (118, 329810), (130, 299366), (172, 226265), (215, 181012), (236, 164905), (260, 149683), (295, 131924), (430, 90506), (559, 69620), (590, 65962), (767, 50740), (860, 45253), (1118, 34810), (1180, 32981), (1534, 25370), (2236, 17405), (2537, 15340), (2795, 13924), (3068, 12685), (3481, 11180), (3835, 10148), (5074, 7670), (5590, 6962)]