82388240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 210361536

約数和(自身を除く): 127973296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 251, 373, 440, 502, 746, 880, 1004, 1255, 1492, 1865, 2008, 2510, 2761, 2984, 3730, 4016, 4103, 5020, 5522, 5968, 7460, 8206, 10040, 11044, 13805, 14920, 16412, 20080, 20515, 22088, 27610, 29840, 32824, 41030, 44176, 55220, 65648, 82060, 93623, 110440, 164120, 187246, 220880, 328240, 374492, 468115, 748984, 936230, 1029853, 1497968, 1872460, 2059706, 3744920, 4119412, 5149265, 7489840, 8238824, 10298530, 16477648, 20597060, 41194120, 82388240]

約数ペア:

[(1, 82388240), (2, 41194120), (4, 20597060), (5, 16477648), (8, 10298530), (10, 8238824), (11, 7489840), (16, 5149265), (20, 4119412), (22, 3744920), (40, 2059706), (44, 1872460), (55, 1497968), (80, 1029853), (88, 936230), (110, 748984), (176, 468115), (220, 374492), (251, 328240), (373, 220880), (440, 187246), (502, 164120), (746, 110440), (880, 93623), (1004, 82060), (1255, 65648), (1492, 55220), (1865, 44176), (2008, 41030), (2510, 32824), (2761, 29840), (2984, 27610), (3730, 22088), (4016, 20515), (4103, 20080), (5020, 16412), (5522, 14920), (5968, 13805), (7460, 11044), (8206, 10040)]