40238432

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 85920912

約数和(自身を除く): 45682480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 197, 208, 394, 416, 491, 788, 982, 1576, 1964, 2561, 3152, 3928, 5122, 6304, 6383, 7856, 10244, 12766, 15712, 20488, 25532, 40976, 51064, 81952, 96727, 102128, 193454, 204256, 386908, 773816, 1257451, 1547632, 2514902, 3095264, 5029804, 10059608, 20119216, 40238432]

約数ペア:

[(1, 40238432), (2, 20119216), (4, 10059608), (8, 5029804), (13, 3095264), (16, 2514902), (26, 1547632), (32, 1257451), (52, 773816), (104, 386908), (197, 204256), (208, 193454), (394, 102128), (416, 96727), (491, 81952), (788, 51064), (982, 40976), (1576, 25532), (1964, 20488), (2561, 15712), (3152, 12766), (3928, 10244), (5122, 7856), (6304, 6383)]