77611640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 179292960

約数和(自身を除く): 101681320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 166, 194, 241, 332, 388, 415, 482, 485, 664, 776, 830, 964, 970, 1205, 1660, 1928, 1940, 2410, 3320, 3880, 4820, 8051, 9640, 16102, 20003, 23377, 32204, 40006, 40255, 46754, 64408, 80012, 80510, 93508, 100015, 116885, 160024, 161020, 187016, 200030, 233770, 322040, 400060, 467540, 800120, 935080, 1940291, 3880582, 7761164, 9701455, 15522328, 19402910, 38805820, 77611640]

約数ペア:

[(1, 77611640), (2, 38805820), (4, 19402910), (5, 15522328), (8, 9701455), (10, 7761164), (20, 3880582), (40, 1940291), (83, 935080), (97, 800120), (166, 467540), (194, 400060), (241, 322040), (332, 233770), (388, 200030), (415, 187016), (482, 161020), (485, 160024), (664, 116885), (776, 100015), (830, 93508), (964, 80510), (970, 80012), (1205, 64408), (1660, 46754), (1928, 40255), (1940, 40006), (2410, 32204), (3320, 23377), (3880, 20003), (4820, 16102), (8051, 9640)]