40381520

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{773}}^1$

素因数の和:1439

約数の個数: 40

約数和(自身を含む): 94152456

約数和(自身を除く): 53770936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 773, 1306, 1546, 2612, 3092, 3265, 3865, 5224, 6184, 6530, 7730, 10448, 12368, 13060, 15460, 26120, 30920, 52240, 61840, 504769, 1009538, 2019076, 2523845, 4038152, 5047690, 8076304, 10095380, 20190760, 40381520]

約数ペア:

[(1, 40381520), (2, 20190760), (4, 10095380), (5, 8076304), (8, 5047690), (10, 4038152), (16, 2523845), (20, 2019076), (40, 1009538), (80, 504769), (653, 61840), (773, 52240), (1306, 30920), (1546, 26120), (2612, 15460), (3092, 13060), (3265, 12368), (3865, 10448), (5224, 7730), (6184, 6530)]