2018023120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{26249}}^1$

素因数の和:26324

約数の個数: 60

約数和(自身を含む): 4848322500

約数和(自身を除く): 2830299380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3844, 4805, 7688, 9610, 15376, 19220, 26249, 38440, 52498, 76880, 104996, 131245, 209992, 262490, 419984, 524980, 813719, 1049960, 1627438, 2099920, 3254876, 4068595, 6509752, 8137190, 13019504, 16274380, 25225289, 32548760, 50450578, 65097520, 100901156, 126126445, 201802312, 252252890, 403604624, 504505780, 1009011560, 2018023120]

約数ペア:

[(1, 2018023120), (2, 1009011560), (4, 504505780), (5, 403604624), (8, 252252890), (10, 201802312), (16, 126126445), (20, 100901156), (31, 65097520), (40, 50450578), (62, 32548760), (80, 25225289), (124, 16274380), (155, 13019504), (248, 8137190), (310, 6509752), (496, 4068595), (620, 3254876), (961, 2099920), (1240, 1627438), (1922, 1049960), (2480, 813719), (3844, 524980), (4805, 419984), (7688, 262490), (9610, 209992), (15376, 131245), (19220, 104996), (26249, 76880), (38440, 52498)]