40695760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72671}}^1$

素因数の和:72691

約数の個数: 40

約数和(自身を含む): 108135936

約数和(自身を除く): 67440176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72671, 145342, 290684, 363355, 508697, 581368, 726710, 1017394, 1162736, 1453420, 2034788, 2543485, 2906840, 4069576, 5086970, 5813680, 8139152, 10173940, 20347880, 40695760]

約数ペア:

[(1, 40695760), (2, 20347880), (4, 10173940), (5, 8139152), (7, 5813680), (8, 5086970), (10, 4069576), (14, 2906840), (16, 2543485), (20, 2034788), (28, 1453420), (35, 1162736), (40, 1017394), (56, 726710), (70, 581368), (80, 508697), (112, 363355), (140, 290684), (280, 145342), (560, 72671)]