20161155440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{344753}}^1$

素因数の和:344826

約数の個数: 80

約数和(自身を含む): 50786401248

約数和(自身を除く): 30625245808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2924, 3440, 3655, 5848, 7310, 11696, 14620, 29240, 58480, 344753, 689506, 1379012, 1723765, 2758024, 3447530, 5516048, 5860801, 6895060, 11721602, 13790120, 14824379, 23443204, 27580240, 29304005, 29648758, 46886408, 58608010, 59297516, 74121895, 93772816, 117216020, 118595032, 148243790, 234432040, 237190064, 252014443, 296487580, 468864080, 504028886, 592975160, 1008057772, 1185950320, 1260072215, 2016115544, 2520144430, 4032231088, 5040288860, 10080577720, 20161155440]

約数ペア:

[(1, 20161155440), (2, 10080577720), (4, 5040288860), (5, 4032231088), (8, 2520144430), (10, 2016115544), (16, 1260072215), (17, 1185950320), (20, 1008057772), (34, 592975160), (40, 504028886), (43, 468864080), (68, 296487580), (80, 252014443), (85, 237190064), (86, 234432040), (136, 148243790), (170, 118595032), (172, 117216020), (215, 93772816), (272, 74121895), (340, 59297516), (344, 58608010), (430, 46886408), (680, 29648758), (688, 29304005), (731, 27580240), (860, 23443204), (1360, 14824379), (1462, 13790120), (1720, 11721602), (2924, 6895060), (3440, 5860801), (3655, 5516048), (5848, 3447530), (7310, 2758024), (11696, 1723765), (14620, 1379012), (29240, 689506), (58480, 344753)]