89066840

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{7253}}^1$

素因数の和:7571

約数の個数: 32

約数和(自身を含む): 201080880

約数和(自身を除く): 112014040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 7253, 12280, 14506, 29012, 36265, 58024, 72530, 145060, 290120, 2226671, 4453342, 8906684, 11133355, 17813368, 22266710, 44533420, 89066840]

約数ペア:

[(1, 89066840), (2, 44533420), (4, 22266710), (5, 17813368), (8, 11133355), (10, 8906684), (20, 4453342), (40, 2226671), (307, 290120), (614, 145060), (1228, 72530), (1535, 58024), (2456, 36265), (3070, 29012), (6140, 14506), (7253, 12280)]