28940960

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 68724936

約数和(自身を除く): 39783976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 653, 1108, 1306, 1385, 2216, 2612, 2770, 3265, 4432, 5224, 5540, 6530, 8864, 10448, 11080, 13060, 20896, 22160, 26120, 44320, 52240, 104480, 180881, 361762, 723524, 904405, 1447048, 1808810, 2894096, 3617620, 5788192, 7235240, 14470480, 28940960]

約数ペア:

[(1, 28940960), (2, 14470480), (4, 7235240), (5, 5788192), (8, 3617620), (10, 2894096), (16, 1808810), (20, 1447048), (32, 904405), (40, 723524), (80, 361762), (160, 180881), (277, 104480), (554, 52240), (653, 44320), (1108, 26120), (1306, 22160), (1385, 20896), (2216, 13060), (2612, 11080), (2770, 10448), (3265, 8864), (4432, 6530), (5224, 5540)]