81973300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{853}}^1$

素因数の和:929

約数の個数: 54

約数和(自身を含む): 184020774

約数和(自身を除く): 102047474

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 853, 961, 1550, 1706, 1922, 3100, 3412, 3844, 4265, 4805, 8530, 9610, 17060, 19220, 21325, 24025, 26443, 42650, 48050, 52886, 85300, 96100, 105772, 132215, 264430, 528860, 661075, 819733, 1322150, 1639466, 2644300, 3278932, 4098665, 8197330, 16394660, 20493325, 40986650, 81973300]

約数ペア:

[(1, 81973300), (2, 40986650), (4, 20493325), (5, 16394660), (10, 8197330), (20, 4098665), (25, 3278932), (31, 2644300), (50, 1639466), (62, 1322150), (100, 819733), (124, 661075), (155, 528860), (310, 264430), (620, 132215), (775, 105772), (853, 96100), (961, 85300), (1550, 52886), (1706, 48050), (1922, 42650), (3100, 26443), (3412, 24025), (3844, 21325), (4265, 19220), (4805, 17060), (8530, 9610)]