202240

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1$

素因数の和:102

約数の個数: 40

約数和(自身を含む): 491040

約数和(自身を除く): 288800

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, 1264, 1280, 1580, 2528, 2560, 3160, 5056, 6320, 10112, 12640, 20224, 25280, 40448, 50560, 101120, 202240]

約数ペア:

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