40900820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 88216128

約数和(自身を除く): 47315308

約数列:

[1, 2, 4, 5, 10, 20, 67, 131, 134, 233, 262, 268, 335, 466, 524, 655, 670, 932, 1165, 1310, 1340, 2330, 2620, 4660, 8777, 15611, 17554, 30523, 31222, 35108, 43885, 61046, 62444, 78055, 87770, 122092, 152615, 156110, 175540, 305230, 312220, 610460, 2045041, 4090082, 8180164, 10225205, 20450410, 40900820]

約数ペア:

[(1, 40900820), (2, 20450410), (4, 10225205), (5, 8180164), (10, 4090082), (20, 2045041), (67, 610460), (131, 312220), (134, 305230), (233, 175540), (262, 156110), (268, 152615), (335, 122092), (466, 87770), (524, 78055), (655, 62444), (670, 61046), (932, 43885), (1165, 35108), (1310, 31222), (1340, 30523), (2330, 17554), (2620, 15611), (4660, 8777)]