56877440

素因数分解:

$2^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 137002320

約数和(自身を除く): 80124880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 181, 320, 362, 491, 640, 724, 905, 982, 1448, 1810, 1964, 2455, 2896, 3620, 3928, 4910, 5792, 7240, 7856, 9820, 11584, 14480, 15712, 19640, 23168, 28960, 31424, 39280, 57920, 62848, 78560, 88871, 115840, 157120, 177742, 314240, 355484, 444355, 710968, 888710, 1421936, 1777420, 2843872, 3554840, 5687744, 7109680, 11375488, 14219360, 28438720, 56877440]

約数ペア:

[(1, 56877440), (2, 28438720), (4, 14219360), (5, 11375488), (8, 7109680), (10, 5687744), (16, 3554840), (20, 2843872), (32, 1777420), (40, 1421936), (64, 888710), (80, 710968), (128, 444355), (160, 355484), (181, 314240), (320, 177742), (362, 157120), (491, 115840), (640, 88871), (724, 78560), (905, 62848), (982, 57920), (1448, 39280), (1810, 31424), (1964, 28960), (2455, 23168), (2896, 19640), (3620, 15712), (3928, 14480), (4910, 11584), (5792, 9820), (7240, 7856)]