87661040

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2861}}^1$

素因数の和:3257

約数の個数: 40

約数和(自身を含む): 204415488

約数和(自身を除く): 116754448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 2861, 3064, 3830, 5722, 6128, 7660, 11444, 14305, 15320, 22888, 28610, 30640, 45776, 57220, 114440, 228880, 1095763, 2191526, 4383052, 5478815, 8766104, 10957630, 17532208, 21915260, 43830520, 87661040]

約数ペア:

[(1, 87661040), (2, 43830520), (4, 21915260), (5, 17532208), (8, 10957630), (10, 8766104), (16, 5478815), (20, 4383052), (40, 2191526), (80, 1095763), (383, 228880), (766, 114440), (1532, 57220), (1915, 45776), (2861, 30640), (3064, 28610), (3830, 22888), (5722, 15320), (6128, 14305), (7660, 11444)]