40703500

素因数分解:

$2^2\times 5^3\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 89736192

約数和(自身を除く): 49032692

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 127, 250, 254, 500, 508, 635, 641, 1270, 1282, 2540, 2564, 3175, 3205, 6350, 6410, 12700, 12820, 15875, 16025, 31750, 32050, 63500, 64100, 80125, 81407, 160250, 162814, 320500, 325628, 407035, 814070, 1628140, 2035175, 4070350, 8140700, 10175875, 20351750, 40703500]

約数ペア:

[(1, 40703500), (2, 20351750), (4, 10175875), (5, 8140700), (10, 4070350), (20, 2035175), (25, 1628140), (50, 814070), (100, 407035), (125, 325628), (127, 320500), (250, 162814), (254, 160250), (500, 81407), (508, 80125), (635, 64100), (641, 63500), (1270, 32050), (1282, 31750), (2540, 16025), (2564, 15875), (3175, 12820), (3205, 12700), (6350, 6410)]