155681840

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5081}}^1$

素因数の和:5477

約数の個数: 40

約数和(自身を含む): 362976768

約数和(自身を除く): 207294928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 5081, 6128, 7660, 10162, 15320, 20324, 25405, 30640, 40648, 50810, 81296, 101620, 203240, 406480, 1946023, 3892046, 7784092, 9730115, 15568184, 19460230, 31136368, 38920460, 77840920, 155681840]

約数ペア:

[(1, 155681840), (2, 77840920), (4, 38920460), (5, 31136368), (8, 19460230), (10, 15568184), (16, 9730115), (20, 7784092), (40, 3892046), (80, 1946023), (383, 406480), (766, 203240), (1532, 101620), (1915, 81296), (3064, 50810), (3830, 40648), (5081, 30640), (6128, 25405), (7660, 20324), (10162, 15320)]