72901280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11113}}^1$

素因数の和:11169

約数の個数: 48

約数和(自身を含む): 176445864

約数和(自身を除く): 103544584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 11113, 22226, 44452, 55565, 88904, 111130, 177808, 222260, 355616, 444520, 455633, 889040, 911266, 1778080, 1822532, 2278165, 3645064, 4556330, 7290128, 9112660, 14580256, 18225320, 36450640, 72901280]

約数ペア:

[(1, 72901280), (2, 36450640), (4, 18225320), (5, 14580256), (8, 9112660), (10, 7290128), (16, 4556330), (20, 3645064), (32, 2278165), (40, 1822532), (41, 1778080), (80, 911266), (82, 889040), (160, 455633), (164, 444520), (205, 355616), (328, 222260), (410, 177808), (656, 111130), (820, 88904), (1312, 55565), (1640, 44452), (3280, 22226), (6560, 11113)]