22237540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 52549560

約数和(自身を除く): 30312020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 89, 124, 130, 155, 178, 260, 310, 356, 403, 445, 620, 806, 890, 961, 1157, 1612, 1780, 1922, 2015, 2314, 2759, 3844, 4030, 4628, 4805, 5518, 5785, 8060, 9610, 11036, 11570, 12493, 13795, 19220, 23140, 24986, 27590, 35867, 49972, 55180, 62465, 71734, 85529, 124930, 143468, 171058, 179335, 249860, 342116, 358670, 427645, 717340, 855290, 1111877, 1710580, 2223754, 4447508, 5559385, 11118770, 22237540]

約数ペア:

[(1, 22237540), (2, 11118770), (4, 5559385), (5, 4447508), (10, 2223754), (13, 1710580), (20, 1111877), (26, 855290), (31, 717340), (52, 427645), (62, 358670), (65, 342116), (89, 249860), (124, 179335), (130, 171058), (155, 143468), (178, 124930), (260, 85529), (310, 71734), (356, 62465), (403, 55180), (445, 49972), (620, 35867), (806, 27590), (890, 24986), (961, 23140), (1157, 19220), (1612, 13795), (1780, 12493), (1922, 11570), (2015, 11036), (2314, 9610), (2759, 8060), (3844, 5785), (4030, 5518), (4628, 4805)]