16404560

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{73}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 39406332

約数和(自身を除く): 23001772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 73, 80, 106, 146, 212, 265, 292, 365, 424, 530, 584, 730, 848, 1060, 1168, 1460, 2120, 2809, 2920, 3869, 4240, 5618, 5840, 7738, 11236, 14045, 15476, 19345, 22472, 28090, 30952, 38690, 44944, 56180, 61904, 77380, 112360, 154760, 205057, 224720, 309520, 410114, 820228, 1025285, 1640456, 2050570, 3280912, 4101140, 8202280, 16404560]

約数ペア:

[(1, 16404560), (2, 8202280), (4, 4101140), (5, 3280912), (8, 2050570), (10, 1640456), (16, 1025285), (20, 820228), (40, 410114), (53, 309520), (73, 224720), (80, 205057), (106, 154760), (146, 112360), (212, 77380), (265, 61904), (292, 56180), (365, 44944), (424, 38690), (530, 30952), (584, 28090), (730, 22472), (848, 19345), (1060, 15476), (1168, 14045), (1460, 11236), (2120, 7738), (2809, 5840), (2920, 5618), (3869, 4240)]