71377720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 167106240

約数和(自身を除く): 95728520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 613, 710, 820, 1226, 1420, 1640, 2452, 2840, 2911, 3065, 4904, 5822, 6130, 11644, 12260, 14555, 23288, 24520, 25133, 29110, 43523, 50266, 58220, 87046, 100532, 116440, 125665, 174092, 201064, 217615, 251330, 348184, 435230, 502660, 870460, 1005320, 1740920, 1784443, 3568886, 7137772, 8922215, 14275544, 17844430, 35688860, 71377720]

約数ペア:

[(1, 71377720), (2, 35688860), (4, 17844430), (5, 14275544), (8, 8922215), (10, 7137772), (20, 3568886), (40, 1784443), (41, 1740920), (71, 1005320), (82, 870460), (142, 502660), (164, 435230), (205, 348184), (284, 251330), (328, 217615), (355, 201064), (410, 174092), (568, 125665), (613, 116440), (710, 100532), (820, 87046), (1226, 58220), (1420, 50266), (1640, 43523), (2452, 29110), (2840, 25133), (2911, 24520), (3065, 23288), (4904, 14555), (5822, 12260), (6130, 11644)]