26418340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 65197440

約数和(自身を除く): 38779100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 139, 170, 172, 215, 221, 260, 278, 340, 430, 442, 556, 559, 695, 731, 860, 884, 1105, 1118, 1390, 1462, 1807, 2210, 2236, 2363, 2780, 2795, 2924, 3614, 3655, 4420, 4726, 5590, 5977, 7228, 7310, 9035, 9452, 9503, 11180, 11815, 11954, 14620, 18070, 19006, 23630, 23908, 29885, 30719, 36140, 38012, 47260, 47515, 59770, 61438, 77701, 95030, 101609, 119540, 122876, 153595, 155402, 190060, 203218, 307190, 310804, 388505, 406436, 508045, 614380, 777010, 1016090, 1320917, 1554020, 2032180, 2641834, 5283668, 6604585, 13209170, 26418340]

約数ペア:

[(1, 26418340), (2, 13209170), (4, 6604585), (5, 5283668), (10, 2641834), (13, 2032180), (17, 1554020), (20, 1320917), (26, 1016090), (34, 777010), (43, 614380), (52, 508045), (65, 406436), (68, 388505), (85, 310804), (86, 307190), (130, 203218), (139, 190060), (170, 155402), (172, 153595), (215, 122876), (221, 119540), (260, 101609), (278, 95030), (340, 77701), (430, 61438), (442, 59770), (556, 47515), (559, 47260), (695, 38012), (731, 36140), (860, 30719), (884, 29885), (1105, 23908), (1118, 23630), (1390, 19006), (1462, 18070), (1807, 14620), (2210, 11954), (2236, 11815), (2363, 11180), (2780, 9503), (2795, 9452), (2924, 9035), (3614, 7310), (3655, 7228), (4420, 5977), (4726, 5590)]