518240

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 751840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 79, 80, 82, 158, 160, 164, 205, 316, 328, 395, 410, 632, 656, 790, 820, 1264, 1312, 1580, 1640, 2528, 3160, 3239, 3280, 6320, 6478, 6560, 12640, 12956, 16195, 25912, 32390, 51824, 64780, 103648, 129560, 259120, 518240]

約数ペア:

[(1, 518240), (2, 259120), (4, 129560), (5, 103648), (8, 64780), (10, 51824), (16, 32390), (20, 25912), (32, 16195), (40, 12956), (41, 12640), (79, 6560), (80, 6478), (82, 6320), (158, 3280), (160, 3239), (164, 3160), (205, 2528), (316, 1640), (328, 1580), (395, 1312), (410, 1264), (632, 820), (656, 790)]