40003888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1367}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 81423360

約数和(自身を除く): 41419472

約数列:

[1, 2, 4, 8, 16, 31, 59, 62, 118, 124, 236, 248, 472, 496, 944, 1367, 1829, 2734, 3658, 5468, 7316, 10936, 14632, 21872, 29264, 42377, 80653, 84754, 161306, 169508, 322612, 339016, 645224, 678032, 1290448, 2500243, 5000486, 10000972, 20001944, 40003888]

約数ペア:

[(1, 40003888), (2, 20001944), (4, 10000972), (8, 5000486), (16, 2500243), (31, 1290448), (59, 678032), (62, 645224), (118, 339016), (124, 322612), (236, 169508), (248, 161306), (472, 84754), (496, 80653), (944, 42377), (1367, 29264), (1829, 21872), (2734, 14632), (3658, 10936), (5468, 7316)]