27280640

素因数分解:

$2^8\times 5^1\times {\mathrm{21313}}^1$

素因数の和:21334

約数の個数: 36

約数和(自身を含む): 65348724

約数和(自身を除く): 38068084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21313, 42626, 85252, 106565, 170504, 213130, 341008, 426260, 682016, 852520, 1364032, 1705040, 2728064, 3410080, 5456128, 6820160, 13640320, 27280640]

約数ペア:

[(1, 27280640), (2, 13640320), (4, 6820160), (5, 5456128), (8, 3410080), (10, 2728064), (16, 1705040), (20, 1364032), (32, 852520), (40, 682016), (64, 426260), (80, 341008), (128, 213130), (160, 170504), (256, 106565), (320, 85252), (640, 42626), (1280, 21313)]