20760366400

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{316469}}^1$

素因数の和:316532

約数の個数: 84

約数和(自身を含む): 52329580380

約数和(自身を除く): 31569213980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1312, 1600, 1640, 2050, 2624, 3280, 4100, 6560, 8200, 13120, 16400, 32800, 65600, 316469, 632938, 1265876, 1582345, 2531752, 3164690, 5063504, 6329380, 7911725, 10127008, 12658760, 12975229, 15823450, 20254016, 25317520, 25950458, 31646900, 50635040, 51900916, 63293800, 64876145, 101270080, 103801832, 126587600, 129752290, 207603664, 253175200, 259504580, 324380725, 415207328, 506350400, 519009160, 648761450, 830414656, 1038018320, 1297522900, 2076036640, 2595045800, 4152073280, 5190091600, 10380183200, 20760366400]

約数ペア:

[(1, 20760366400), (2, 10380183200), (4, 5190091600), (5, 4152073280), (8, 2595045800), (10, 2076036640), (16, 1297522900), (20, 1038018320), (25, 830414656), (32, 648761450), (40, 519009160), (41, 506350400), (50, 415207328), (64, 324380725), (80, 259504580), (82, 253175200), (100, 207603664), (160, 129752290), (164, 126587600), (200, 103801832), (205, 101270080), (320, 64876145), (328, 63293800), (400, 51900916), (410, 50635040), (656, 31646900), (800, 25950458), (820, 25317520), (1025, 20254016), (1312, 15823450), (1600, 12975229), (1640, 12658760), (2050, 10127008), (2624, 7911725), (3280, 6329380), (4100, 5063504), (6560, 3164690), (8200, 2531752), (13120, 1582345), (16400, 1265876), (32800, 632938), (65600, 316469)]