208201040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{153089}}^1$

素因数の和:153119

約数の個数: 40

約数和(自身を含む): 512545320

約数和(自身を除く): 304344280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 153089, 306178, 612356, 765445, 1224712, 1530890, 2449424, 2602513, 3061780, 5205026, 6123560, 10410052, 12247120, 13012565, 20820104, 26025130, 41640208, 52050260, 104100520, 208201040]

約数ペア:

[(1, 208201040), (2, 104100520), (4, 52050260), (5, 41640208), (8, 26025130), (10, 20820104), (16, 13012565), (17, 12247120), (20, 10410052), (34, 6123560), (40, 5205026), (68, 3061780), (80, 2602513), (85, 2449424), (136, 1530890), (170, 1224712), (272, 765445), (340, 612356), (680, 306178), (1360, 153089)]