839840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 2063880

約数和(自身を除く): 1224040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 181, 232, 290, 362, 464, 580, 724, 905, 928, 1160, 1448, 1810, 2320, 2896, 3620, 4640, 5249, 5792, 7240, 10498, 14480, 20996, 26245, 28960, 41992, 52490, 83984, 104980, 167968, 209960, 419920, 839840]

約数ペア:

[(1, 839840), (2, 419920), (4, 209960), (5, 167968), (8, 104980), (10, 83984), (16, 52490), (20, 41992), (29, 28960), (32, 26245), (40, 20996), (58, 14480), (80, 10498), (116, 7240), (145, 5792), (160, 5249), (181, 4640), (232, 3620), (290, 2896), (362, 2320), (464, 1810), (580, 1448), (724, 1160), (905, 928)]