40561960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^2$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 98172270

約数和(自身を除く): 57610310

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 361, 380, 424, 530, 722, 760, 1007, 1060, 1444, 1805, 2014, 2120, 2809, 2888, 3610, 4028, 5035, 5618, 7220, 8056, 10070, 11236, 14045, 14440, 19133, 20140, 22472, 28090, 38266, 40280, 53371, 56180, 76532, 95665, 106742, 112360, 153064, 191330, 213484, 266855, 382660, 426968, 533710, 765320, 1014049, 1067420, 2028098, 2134840, 4056196, 5070245, 8112392, 10140490, 20280980, 40561960]

約数ペア:

[(1, 40561960), (2, 20280980), (4, 10140490), (5, 8112392), (8, 5070245), (10, 4056196), (19, 2134840), (20, 2028098), (38, 1067420), (40, 1014049), (53, 765320), (76, 533710), (95, 426968), (106, 382660), (152, 266855), (190, 213484), (212, 191330), (265, 153064), (361, 112360), (380, 106742), (424, 95665), (530, 76532), (722, 56180), (760, 53371), (1007, 40280), (1060, 38266), (1444, 28090), (1805, 22472), (2014, 20140), (2120, 19133), (2809, 14440), (2888, 14045), (3610, 11236), (4028, 10070), (5035, 8056), (5618, 7220)]