3915440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 9642240

約数和(自身を除く): 5726800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 2879, 5758, 11516, 14395, 23032, 28790, 46064, 48943, 57580, 97886, 115160, 195772, 230320, 244715, 391544, 489430, 783088, 978860, 1957720, 3915440]

約数ペア:

[(1, 3915440), (2, 1957720), (4, 978860), (5, 783088), (8, 489430), (10, 391544), (16, 244715), (17, 230320), (20, 195772), (34, 115160), (40, 97886), (68, 57580), (80, 48943), (85, 46064), (136, 28790), (170, 23032), (272, 14395), (340, 11516), (680, 5758), (1360, 2879)]