66417040

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7759}}^1$

素因数の和:7879

約数の個数: 40

約数和(自身を含む): 155882880

約数和(自身を除く): 89465840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7759, 8560, 15518, 31036, 38795, 62072, 77590, 124144, 155180, 310360, 620720, 830213, 1660426, 3320852, 4151065, 6641704, 8302130, 13283408, 16604260, 33208520, 66417040]

約数ペア:

[(1, 66417040), (2, 33208520), (4, 16604260), (5, 13283408), (8, 8302130), (10, 6641704), (16, 4151065), (20, 3320852), (40, 1660426), (80, 830213), (107, 620720), (214, 310360), (428, 155180), (535, 124144), (856, 77590), (1070, 62072), (1712, 38795), (2140, 31036), (4280, 15518), (7759, 8560)]