20341122080

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{9397}}^1$

素因数の和:9658

約数の個数: 96

約数和(自身を含む): 48938468544

約数和(自身を除く): 28597346464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 163, 166, 326, 332, 415, 652, 664, 815, 830, 1304, 1328, 1630, 1660, 2608, 2656, 3260, 3320, 5216, 6520, 6640, 9397, 13040, 13280, 13529, 18794, 26080, 27058, 37588, 46985, 54116, 67645, 75176, 93970, 108232, 135290, 150352, 187940, 216464, 270580, 300704, 375880, 432928, 541160, 751760, 779951, 1082320, 1503520, 1531711, 1559902, 2164640, 3063422, 3119804, 3899755, 6126844, 6239608, 7658555, 7799510, 12253688, 12479216, 15317110, 15599020, 24507376, 24958432, 30634220, 31198040, 49014752, 61268440, 62396080, 122536880, 124792160, 127132013, 245073760, 254264026, 508528052, 635660065, 1017056104, 1271320130, 2034112208, 2542640260, 4068224416, 5085280520, 10170561040, 20341122080]

約数ペア:

[(1, 20341122080), (2, 10170561040), (4, 5085280520), (5, 4068224416), (8, 2542640260), (10, 2034112208), (16, 1271320130), (20, 1017056104), (32, 635660065), (40, 508528052), (80, 254264026), (83, 245073760), (160, 127132013), (163, 124792160), (166, 122536880), (326, 62396080), (332, 61268440), (415, 49014752), (652, 31198040), (664, 30634220), (815, 24958432), (830, 24507376), (1304, 15599020), (1328, 15317110), (1630, 12479216), (1660, 12253688), (2608, 7799510), (2656, 7658555), (3260, 6239608), (3320, 6126844), (5216, 3899755), (6520, 3119804), (6640, 3063422), (9397, 2164640), (13040, 1559902), (13280, 1531711), (13529, 1503520), (18794, 1082320), (26080, 779951), (27058, 751760), (37588, 541160), (46985, 432928), (54116, 375880), (67645, 300704), (75176, 270580), (93970, 216464), (108232, 187940), (135290, 150352)]