2020742750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 4215976128

約数和(自身を除く): 2195233378

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 250, 310, 325, 403, 647, 650, 775, 806, 961, 1294, 1550, 1625, 1922, 2015, 3235, 3250, 3875, 4030, 4805, 6470, 7750, 8411, 9610, 10075, 12493, 16175, 16822, 20057, 20150, 24025, 24986, 32350, 40114, 42055, 48050, 50375, 62465, 80875, 84110, 100285, 100750, 120125, 124930, 161750, 200570, 210275, 240250, 260741, 312325, 420550, 501425, 521482, 621767, 624650, 1002850, 1051375, 1243534, 1303705, 1561625, 2102750, 2507125, 2607410, 3108835, 3123250, 5014250, 6217670, 6518525, 8082971, 13037050, 15544175, 16165942, 31088350, 32592625, 40414855, 65185250, 77720875, 80829710, 155441750, 202074275, 404148550, 1010371375, 2020742750]

約数ペア:

[(1, 2020742750), (2, 1010371375), (5, 404148550), (10, 202074275), (13, 155441750), (25, 80829710), (26, 77720875), (31, 65185250), (50, 40414855), (62, 32592625), (65, 31088350), (125, 16165942), (130, 15544175), (155, 13037050), (250, 8082971), (310, 6518525), (325, 6217670), (403, 5014250), (647, 3123250), (650, 3108835), (775, 2607410), (806, 2507125), (961, 2102750), (1294, 1561625), (1550, 1303705), (1625, 1243534), (1922, 1051375), (2015, 1002850), (3235, 624650), (3250, 621767), (3875, 521482), (4030, 501425), (4805, 420550), (6470, 312325), (7750, 260741), (8411, 240250), (9610, 210275), (10075, 200570), (12493, 161750), (16175, 124930), (16822, 120125), (20057, 100750), (20150, 100285), (24025, 84110), (24986, 80875), (32350, 62465), (40114, 50375), (42055, 48050)]