562480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 1339200

約数和(自身を除く): 776720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 89, 158, 178, 316, 356, 395, 445, 632, 712, 790, 890, 1264, 1424, 1580, 1780, 3160, 3560, 6320, 7031, 7120, 14062, 28124, 35155, 56248, 70310, 112496, 140620, 281240, 562480]

約数ペア:

[(1, 562480), (2, 281240), (4, 140620), (5, 112496), (8, 70310), (10, 56248), (16, 35155), (20, 28124), (40, 14062), (79, 7120), (80, 7031), (89, 6320), (158, 3560), (178, 3160), (316, 1780), (356, 1580), (395, 1424), (445, 1264), (632, 890), (712, 790)]