7939840

素因数分解:

$2^8\times 5^1\times {\mathrm{6203}}^1$

素因数の和:6224

約数の個数: 36

約数和(自身を含む): 19021464

約数和(自身を除く): 11081624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 6203, 12406, 24812, 31015, 49624, 62030, 99248, 124060, 198496, 248120, 396992, 496240, 793984, 992480, 1587968, 1984960, 3969920, 7939840]

約数ペア:

[(1, 7939840), (2, 3969920), (4, 1984960), (5, 1587968), (8, 992480), (10, 793984), (16, 496240), (20, 396992), (32, 248120), (40, 198496), (64, 124060), (80, 99248), (128, 62030), (160, 49624), (256, 31015), (320, 24812), (640, 12406), (1280, 6203)]