40463780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{743}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 57029980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 743, 778, 1486, 1556, 1945, 2723, 2972, 3715, 3890, 5201, 5446, 7430, 7780, 10402, 10892, 13615, 14860, 20804, 26005, 27230, 52010, 54460, 104020, 289027, 578054, 1156108, 1445135, 2023189, 2890270, 4046378, 5780540, 8092756, 10115945, 20231890, 40463780]

約数ペア:

[(1, 40463780), (2, 20231890), (4, 10115945), (5, 8092756), (7, 5780540), (10, 4046378), (14, 2890270), (20, 2023189), (28, 1445135), (35, 1156108), (70, 578054), (140, 289027), (389, 104020), (743, 54460), (778, 52010), (1486, 27230), (1556, 26005), (1945, 20804), (2723, 14860), (2972, 13615), (3715, 10892), (3890, 10402), (5201, 7780), (5446, 7430)]