2019944320

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44453}}^1$

素因数の和:44543

約数の個数: 64

約数和(自身を含む): 4897052640

約数和(自身を除く): 2877108320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 22720, 44453, 45440, 88906, 177812, 222265, 355624, 444530, 711248, 889060, 1422496, 1778120, 2844992, 3156163, 3556240, 5689984, 6312326, 7112480, 12624652, 14224960, 15780815, 25249304, 28449920, 31561630, 50498608, 63123260, 100997216, 126246520, 201994432, 252493040, 403988864, 504986080, 1009972160, 2019944320]

約数ペア:

[(1, 2019944320), (2, 1009972160), (4, 504986080), (5, 403988864), (8, 252493040), (10, 201994432), (16, 126246520), (20, 100997216), (32, 63123260), (40, 50498608), (64, 31561630), (71, 28449920), (80, 25249304), (128, 15780815), (142, 14224960), (160, 12624652), (284, 7112480), (320, 6312326), (355, 5689984), (568, 3556240), (640, 3156163), (710, 2844992), (1136, 1778120), (1420, 1422496), (2272, 889060), (2840, 711248), (4544, 444530), (5680, 355624), (9088, 222265), (11360, 177812), (22720, 88906), (44453, 45440)]