109918640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105691}}^1$

素因数の和:105717

約数の個数: 40

約数和(自身を含む): 275221968

約数和(自身を除く): 165303328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 105691, 211382, 422764, 528455, 845528, 1056910, 1373983, 1691056, 2113820, 2747966, 4227640, 5495932, 6869915, 8455280, 10991864, 13739830, 21983728, 27479660, 54959320, 109918640]

約数ペア:

[(1, 109918640), (2, 54959320), (4, 27479660), (5, 21983728), (8, 13739830), (10, 10991864), (13, 8455280), (16, 6869915), (20, 5495932), (26, 4227640), (40, 2747966), (52, 2113820), (65, 1691056), (80, 1373983), (104, 1056910), (130, 845528), (208, 528455), (260, 422764), (520, 211382), (1040, 105691)]