66489040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{48889}}^1$

素因数の和:48919

約数の個数: 40

約数和(自身を含む): 163683720

約数和(自身を除く): 97194680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 48889, 97778, 195556, 244445, 391112, 488890, 782224, 831113, 977780, 1662226, 1955560, 3324452, 3911120, 4155565, 6648904, 8311130, 13297808, 16622260, 33244520, 66489040]

約数ペア:

[(1, 66489040), (2, 33244520), (4, 16622260), (5, 13297808), (8, 8311130), (10, 6648904), (16, 4155565), (17, 3911120), (20, 3324452), (34, 1955560), (40, 1662226), (68, 977780), (80, 831113), (85, 782224), (136, 488890), (170, 391112), (272, 244445), (340, 195556), (680, 97778), (1360, 48889)]