404480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1$

素因数の和:104

約数の個数: 44

約数和(自身を含む): 982560

約数和(自身を除く): 578080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 512, 632, 640, 790, 1024, 1264, 1280, 1580, 2528, 2560, 3160, 5056, 5120, 6320, 10112, 12640, 20224, 25280, 40448, 50560, 80896, 101120, 202240, 404480]

約数ペア:

[(1, 404480), (2, 202240), (4, 101120), (5, 80896), (8, 50560), (10, 40448), (16, 25280), (20, 20224), (32, 12640), (40, 10112), (64, 6320), (79, 5120), (80, 5056), (128, 3160), (158, 2560), (160, 2528), (256, 1580), (316, 1280), (320, 1264), (395, 1024), (512, 790), (632, 640)]