8980451080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{20479}}^1$

素因数の和:21086

約数の個数: 64

約数和(自身を含む): 21307392000

約数和(自身を除く): 12326940920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 577, 760, 1154, 2308, 2885, 4616, 5770, 10963, 11540, 20479, 21926, 23080, 40958, 43852, 54815, 81916, 87704, 102395, 109630, 163832, 204790, 219260, 389101, 409580, 438520, 778202, 819160, 1556404, 1945505, 3112808, 3891010, 7782020, 11816383, 15564040, 23632766, 47265532, 59081915, 94531064, 118163830, 224511277, 236327660, 449022554, 472655320, 898045108, 1122556385, 1796090216, 2245112770, 4490225540, 8980451080]

約数ペア:

[(1, 8980451080), (2, 4490225540), (4, 2245112770), (5, 1796090216), (8, 1122556385), (10, 898045108), (19, 472655320), (20, 449022554), (38, 236327660), (40, 224511277), (76, 118163830), (95, 94531064), (152, 59081915), (190, 47265532), (380, 23632766), (577, 15564040), (760, 11816383), (1154, 7782020), (2308, 3891010), (2885, 3112808), (4616, 1945505), (5770, 1556404), (10963, 819160), (11540, 778202), (20479, 438520), (21926, 409580), (23080, 389101), (40958, 219260), (43852, 204790), (54815, 163832), (81916, 109630), (87704, 102395)]