30979840

素因数分解:

$2^8\times 5^1\times {\mathrm{24203}}^1$

素因数の和:24224

約数の個数: 36

約数和(自身を含む): 74209464

約数和(自身を除く): 43229624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24203, 48406, 96812, 121015, 193624, 242030, 387248, 484060, 774496, 968120, 1548992, 1936240, 3097984, 3872480, 6195968, 7744960, 15489920, 30979840]

約数ペア:

[(1, 30979840), (2, 15489920), (4, 7744960), (5, 6195968), (8, 3872480), (10, 3097984), (16, 1936240), (20, 1548992), (32, 968120), (40, 774496), (64, 484060), (80, 387248), (128, 242030), (160, 193624), (256, 121015), (320, 96812), (640, 48406), (1280, 24203)]