13043120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8613

約数の個数: 40

約数和(自身を含む): 31925040

約数和(自身を除く): 18881920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8581, 17162, 34324, 42905, 68648, 85810, 137296, 163039, 171620, 326078, 343240, 652156, 686480, 815195, 1304312, 1630390, 2608624, 3260780, 6521560, 13043120]

約数ペア:

[(1, 13043120), (2, 6521560), (4, 3260780), (5, 2608624), (8, 1630390), (10, 1304312), (16, 815195), (19, 686480), (20, 652156), (38, 343240), (40, 326078), (76, 171620), (80, 163039), (95, 137296), (152, 85810), (190, 68648), (304, 42905), (380, 34324), (760, 17162), (1520, 8581)]