4013840

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 9427968

約数和(自身を除く): 5414128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 383, 524, 655, 766, 1048, 1310, 1532, 1915, 2096, 2620, 3064, 3830, 5240, 6128, 7660, 10480, 15320, 30640, 50173, 100346, 200692, 250865, 401384, 501730, 802768, 1003460, 2006920, 4013840]

約数ペア:

[(1, 4013840), (2, 2006920), (4, 1003460), (5, 802768), (8, 501730), (10, 401384), (16, 250865), (20, 200692), (40, 100346), (80, 50173), (131, 30640), (262, 15320), (383, 10480), (524, 7660), (655, 6128), (766, 5240), (1048, 3830), (1310, 3064), (1532, 2620), (1915, 2096)]