65154640

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3169}}^1$

素因数の和:3439

約数の個数: 40

約数和(自身を含む): 152121960

約数和(自身を除く): 86967320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 3169, 4112, 5140, 6338, 10280, 12676, 15845, 20560, 25352, 31690, 50704, 63380, 126760, 253520, 814433, 1628866, 3257732, 4072165, 6515464, 8144330, 13030928, 16288660, 32577320, 65154640]

約数ペア:

[(1, 65154640), (2, 32577320), (4, 16288660), (5, 13030928), (8, 8144330), (10, 6515464), (16, 4072165), (20, 3257732), (40, 1628866), (80, 814433), (257, 253520), (514, 126760), (1028, 63380), (1285, 50704), (2056, 31690), (2570, 25352), (3169, 20560), (4112, 15845), (5140, 12676), (6338, 10280)]