40238800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{2053}}^1$

素因数の和:2085

約数の個数: 90

約数和(自身を含む): 112511958

約数和(自身を除く): 72273158

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2053, 2450, 2800, 3920, 4106, 4900, 8212, 9800, 10265, 14371, 16424, 19600, 20530, 28742, 32848, 41060, 51325, 57484, 71855, 82120, 100597, 102650, 114968, 143710, 164240, 201194, 205300, 229936, 287420, 359275, 402388, 410600, 502985, 574840, 718550, 804776, 821200, 1005970, 1149680, 1437100, 1609552, 2011940, 2514925, 2874200, 4023880, 5029850, 5748400, 8047760, 10059700, 20119400, 40238800]

約数ペア:

[(1, 40238800), (2, 20119400), (4, 10059700), (5, 8047760), (7, 5748400), (8, 5029850), (10, 4023880), (14, 2874200), (16, 2514925), (20, 2011940), (25, 1609552), (28, 1437100), (35, 1149680), (40, 1005970), (49, 821200), (50, 804776), (56, 718550), (70, 574840), (80, 502985), (98, 410600), (100, 402388), (112, 359275), (140, 287420), (175, 229936), (196, 205300), (200, 201194), (245, 164240), (280, 143710), (350, 114968), (392, 102650), (400, 100597), (490, 82120), (560, 71855), (700, 57484), (784, 51325), (980, 41060), (1225, 32848), (1400, 28742), (1960, 20530), (2053, 19600), (2450, 16424), (2800, 14371), (3920, 10265), (4106, 9800), (4900, 8212)]