40804820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{761}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 98316288

約数和(自身を除く): 57511468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 761, 766, 1522, 1532, 1915, 2681, 3044, 3805, 3830, 5327, 5362, 7610, 7660, 10654, 10724, 13405, 15220, 21308, 26635, 26810, 53270, 53620, 106540, 291463, 582926, 1165852, 1457315, 2040241, 2914630, 4080482, 5829260, 8160964, 10201205, 20402410, 40804820]

約数ペア:

[(1, 40804820), (2, 20402410), (4, 10201205), (5, 8160964), (7, 5829260), (10, 4080482), (14, 2914630), (20, 2040241), (28, 1457315), (35, 1165852), (70, 582926), (140, 291463), (383, 106540), (761, 53620), (766, 53270), (1522, 26810), (1532, 26635), (1915, 21308), (2681, 15220), (3044, 13405), (3805, 10724), (3830, 10654), (5327, 7660), (5362, 7610)]