53027980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^3\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 116363520

約数和(自身を除く): 63335540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 961, 1780, 1922, 2759, 3844, 4805, 5518, 9610, 11036, 13795, 19220, 27590, 29791, 55180, 59582, 85529, 119164, 148955, 171058, 297910, 342116, 427645, 595820, 855290, 1710580, 2651399, 5302798, 10605596, 13256995, 26513990, 53027980]

約数ペア:

[(1, 53027980), (2, 26513990), (4, 13256995), (5, 10605596), (10, 5302798), (20, 2651399), (31, 1710580), (62, 855290), (89, 595820), (124, 427645), (155, 342116), (178, 297910), (310, 171058), (356, 148955), (445, 119164), (620, 85529), (890, 59582), (961, 55180), (1780, 29791), (1922, 27590), (2759, 19220), (3844, 13795), (4805, 11036), (5518, 9610)]