40720485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{569}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 70479360

約数和(自身を除く): 29758875

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 367, 569, 1101, 1707, 1835, 2845, 4771, 5505, 7397, 8535, 14313, 22191, 23855, 36985, 71565, 110955, 208823, 626469, 1044115, 2714699, 3132345, 8144097, 13573495, 40720485]

約数ペア:

[(1, 40720485), (3, 13573495), (5, 8144097), (13, 3132345), (15, 2714699), (39, 1044115), (65, 626469), (195, 208823), (367, 110955), (569, 71565), (1101, 36985), (1707, 23855), (1835, 22191), (2845, 14313), (4771, 8535), (5505, 7397)]