65190520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 159436800

約数和(自身を除く): 94246280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2767, 2945, 4712, 5534, 5890, 11068, 11780, 13835, 22136, 23560, 27670, 52573, 55340, 85777, 105146, 110680, 171554, 210292, 262865, 343108, 420584, 428885, 525730, 686216, 857770, 1051460, 1629763, 1715540, 2102920, 3259526, 3431080, 6519052, 8148815, 13038104, 16297630, 32595260, 65190520]

約数ペア:

[(1, 65190520), (2, 32595260), (4, 16297630), (5, 13038104), (8, 8148815), (10, 6519052), (19, 3431080), (20, 3259526), (31, 2102920), (38, 1715540), (40, 1629763), (62, 1051460), (76, 857770), (95, 686216), (124, 525730), (152, 428885), (155, 420584), (190, 343108), (248, 262865), (310, 210292), (380, 171554), (589, 110680), (620, 105146), (760, 85777), (1178, 55340), (1240, 52573), (2356, 27670), (2767, 23560), (2945, 22136), (4712, 13835), (5534, 11780), (5890, 11068)]