87201140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 204359400

約数和(自身を除く): 117158260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 349, 403, 620, 698, 806, 961, 1396, 1612, 1745, 1922, 2015, 3490, 3844, 4030, 4537, 4805, 6980, 8060, 9074, 9610, 10819, 12493, 18148, 19220, 21638, 22685, 24986, 43276, 45370, 49972, 54095, 62465, 90740, 108190, 124930, 140647, 216380, 249860, 281294, 335389, 562588, 670778, 703235, 1341556, 1406470, 1676945, 2812940, 3353890, 4360057, 6707780, 8720114, 17440228, 21800285, 43600570, 87201140]

約数ペア:

[(1, 87201140), (2, 43600570), (4, 21800285), (5, 17440228), (10, 8720114), (13, 6707780), (20, 4360057), (26, 3353890), (31, 2812940), (52, 1676945), (62, 1406470), (65, 1341556), (124, 703235), (130, 670778), (155, 562588), (260, 335389), (310, 281294), (349, 249860), (403, 216380), (620, 140647), (698, 124930), (806, 108190), (961, 90740), (1396, 62465), (1612, 54095), (1745, 49972), (1922, 45370), (2015, 43276), (3490, 24986), (3844, 22685), (4030, 21638), (4537, 19220), (4805, 18148), (6980, 12493), (8060, 10819), (9074, 9610)]