40297469840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1\times {\mathrm{11527}}^1$

素因数の和:12120

約数の個数: 80

約数和(自身を含む): 94945530240

約数和(自身を除く): 54648060400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 491, 712, 890, 982, 1424, 1780, 1964, 2455, 3560, 3928, 4910, 7120, 7856, 9820, 11527, 19640, 23054, 39280, 43699, 46108, 57635, 87398, 92216, 115270, 174796, 184432, 218495, 230540, 349592, 436990, 461080, 699184, 873980, 922160, 1025903, 1747960, 2051806, 3495920, 4103612, 5129515, 5659757, 8207224, 10259030, 11319514, 16414448, 20518060, 22639028, 28298785, 41036120, 45278056, 56597570, 82072240, 90556112, 113195140, 226390280, 452780560, 503718373, 1007436746, 2014873492, 2518591865, 4029746984, 5037183730, 8059493968, 10074367460, 20148734920, 40297469840]

約数ペア:

[(1, 40297469840), (2, 20148734920), (4, 10074367460), (5, 8059493968), (8, 5037183730), (10, 4029746984), (16, 2518591865), (20, 2014873492), (40, 1007436746), (80, 503718373), (89, 452780560), (178, 226390280), (356, 113195140), (445, 90556112), (491, 82072240), (712, 56597570), (890, 45278056), (982, 41036120), (1424, 28298785), (1780, 22639028), (1964, 20518060), (2455, 16414448), (3560, 11319514), (3928, 10259030), (4910, 8207224), (7120, 5659757), (7856, 5129515), (9820, 4103612), (11527, 3495920), (19640, 2051806), (23054, 1747960), (39280, 1025903), (43699, 922160), (46108, 873980), (57635, 699184), (87398, 461080), (92216, 436990), (115270, 349592), (174796, 230540), (184432, 218495)]