40673840

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1307}}^1$

素因数の和:1709

約数の個数: 40

約数和(自身を含む): 94882320

約数和(自身を除く): 54208480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1307, 1556, 1945, 2614, 3112, 3890, 5228, 6224, 6535, 7780, 10456, 13070, 15560, 20912, 26140, 31120, 52280, 104560, 508423, 1016846, 2033692, 2542115, 4067384, 5084230, 8134768, 10168460, 20336920, 40673840]

約数ペア:

[(1, 40673840), (2, 20336920), (4, 10168460), (5, 8134768), (8, 5084230), (10, 4067384), (16, 2542115), (20, 2033692), (40, 1016846), (80, 508423), (389, 104560), (778, 52280), (1307, 31120), (1556, 26140), (1945, 20912), (2614, 15560), (3112, 13070), (3890, 10456), (5228, 7780), (6224, 6535)]