2021737120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{971989}}^1$

素因数の和:972017

約数の個数: 48

約数和(自身を含む): 5143771080

約数和(自身を除く): 3122033960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 971989, 1943978, 3887956, 4859945, 7775912, 9719890, 12635857, 15551824, 19439780, 25271714, 31103648, 38879560, 50543428, 63179285, 77759120, 101086856, 126358570, 155518240, 202173712, 252717140, 404347424, 505434280, 1010868560, 2021737120]

約数ペア:

[(1, 2021737120), (2, 1010868560), (4, 505434280), (5, 404347424), (8, 252717140), (10, 202173712), (13, 155518240), (16, 126358570), (20, 101086856), (26, 77759120), (32, 63179285), (40, 50543428), (52, 38879560), (65, 31103648), (80, 25271714), (104, 19439780), (130, 15551824), (160, 12635857), (208, 9719890), (260, 7775912), (416, 4859945), (520, 3887956), (1040, 1943978), (2080, 971989)]