4950640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3289

約数の個数: 40

約数和(自身を含む): 12119760

約数和(自身を除く): 7169120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3257, 6514, 13028, 16285, 26056, 32570, 52112, 61883, 65140, 123766, 130280, 247532, 260560, 309415, 495064, 618830, 990128, 1237660, 2475320, 4950640]

約数ペア:

[(1, 4950640), (2, 2475320), (4, 1237660), (5, 990128), (8, 618830), (10, 495064), (16, 309415), (19, 260560), (20, 247532), (38, 130280), (40, 123766), (76, 65140), (80, 61883), (95, 52112), (152, 32570), (190, 26056), (304, 16285), (380, 13028), (760, 6514), (1520, 3257)]