805909520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14621}}^1$

素因数の和:14700

約数の個数: 80

約数和(自身を含む): 2056087152

約数和(自身を除く): 1250177632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 848, 1040, 1060, 1378, 2120, 2756, 3445, 4240, 5512, 6890, 11024, 13780, 14621, 27560, 29242, 55120, 58484, 73105, 116968, 146210, 190073, 233936, 292420, 380146, 584840, 760292, 774913, 950365, 1169680, 1520584, 1549826, 1900730, 3041168, 3099652, 3801460, 3874565, 6199304, 7602920, 7749130, 10073869, 12398608, 15205840, 15498260, 20147738, 30996520, 40295476, 50369345, 61993040, 80590952, 100738690, 161181904, 201477380, 402954760, 805909520]

約数ペア:

[(1, 805909520), (2, 402954760), (4, 201477380), (5, 161181904), (8, 100738690), (10, 80590952), (13, 61993040), (16, 50369345), (20, 40295476), (26, 30996520), (40, 20147738), (52, 15498260), (53, 15205840), (65, 12398608), (80, 10073869), (104, 7749130), (106, 7602920), (130, 6199304), (208, 3874565), (212, 3801460), (260, 3099652), (265, 3041168), (424, 1900730), (520, 1549826), (530, 1520584), (689, 1169680), (848, 950365), (1040, 774913), (1060, 760292), (1378, 584840), (2120, 380146), (2756, 292420), (3445, 233936), (4240, 190073), (5512, 146210), (6890, 116968), (11024, 73105), (13780, 58484), (14621, 55120), (27560, 29242)]