87156640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6563}}^1$

素因数の和:6661

約数の個数: 48

約数和(自身を含む): 208420128

約数和(自身を除く): 121263488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6563, 6640, 13126, 13280, 26252, 32815, 52504, 65630, 105008, 131260, 210016, 262520, 525040, 544729, 1050080, 1089458, 2178916, 2723645, 4357832, 5447290, 8715664, 10894580, 17431328, 21789160, 43578320, 87156640]

約数ペア:

[(1, 87156640), (2, 43578320), (4, 21789160), (5, 17431328), (8, 10894580), (10, 8715664), (16, 5447290), (20, 4357832), (32, 2723645), (40, 2178916), (80, 1089458), (83, 1050080), (160, 544729), (166, 525040), (332, 262520), (415, 210016), (664, 131260), (830, 105008), (1328, 65630), (1660, 52504), (2656, 32815), (3320, 26252), (6563, 13280), (6640, 13126)]