90054380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11173}}^1$

素因数の和:11226

約数の個数: 48

約数和(自身を含む): 210249984

約数和(自身を除く): 120195604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 11173, 22346, 44692, 55865, 111730, 145249, 223460, 290498, 346363, 580996, 692726, 726245, 1385452, 1452490, 1731815, 2904980, 3463630, 4502719, 6927260, 9005438, 18010876, 22513595, 45027190, 90054380]

約数ペア:

[(1, 90054380), (2, 45027190), (4, 22513595), (5, 18010876), (10, 9005438), (13, 6927260), (20, 4502719), (26, 3463630), (31, 2904980), (52, 1731815), (62, 1452490), (65, 1385452), (124, 726245), (130, 692726), (155, 580996), (260, 346363), (310, 290498), (403, 223460), (620, 145249), (806, 111730), (1612, 55865), (2015, 44692), (4030, 22346), (8060, 11173)]