8020212080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{8297}}^1$

素因数の和:8634

約数の個数: 80

約数和(自身を含む): 19150854624

約数和(自身を除く): 11130642544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 281, 344, 430, 562, 688, 860, 1124, 1405, 1720, 2248, 2810, 3440, 4496, 5620, 8297, 11240, 12083, 16594, 22480, 24166, 33188, 41485, 48332, 60415, 66376, 82970, 96664, 120830, 132752, 165940, 193328, 241660, 331880, 356771, 483320, 663760, 713542, 966640, 1427084, 1783855, 2331457, 2854168, 3567710, 4662914, 5708336, 7135420, 9325828, 11657285, 14270840, 18651656, 23314570, 28541680, 37303312, 46629140, 93258280, 100252651, 186516560, 200505302, 401010604, 501263255, 802021208, 1002526510, 1604042416, 2005053020, 4010106040, 8020212080]

約数ペア:

[(1, 8020212080), (2, 4010106040), (4, 2005053020), (5, 1604042416), (8, 1002526510), (10, 802021208), (16, 501263255), (20, 401010604), (40, 200505302), (43, 186516560), (80, 100252651), (86, 93258280), (172, 46629140), (215, 37303312), (281, 28541680), (344, 23314570), (430, 18651656), (562, 14270840), (688, 11657285), (860, 9325828), (1124, 7135420), (1405, 5708336), (1720, 4662914), (2248, 3567710), (2810, 2854168), (3440, 2331457), (4496, 1783855), (5620, 1427084), (8297, 966640), (11240, 713542), (12083, 663760), (16594, 483320), (22480, 356771), (24166, 331880), (33188, 241660), (41485, 193328), (48332, 165940), (60415, 132752), (66376, 120830), (82970, 96664)]