31981760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5879}}^1$

素因数の和:5913

約数の個数: 56

約数和(自身を含む): 80650080

約数和(自身を除く): 48668320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 5879, 11758, 23516, 29395, 47032, 58790, 94064, 99943, 117580, 188128, 199886, 235160, 376256, 399772, 470320, 499715, 799544, 940640, 999430, 1599088, 1881280, 1998860, 3198176, 3997720, 6396352, 7995440, 15990880, 31981760]

約数ペア:

[(1, 31981760), (2, 15990880), (4, 7995440), (5, 6396352), (8, 3997720), (10, 3198176), (16, 1998860), (17, 1881280), (20, 1599088), (32, 999430), (34, 940640), (40, 799544), (64, 499715), (68, 470320), (80, 399772), (85, 376256), (136, 235160), (160, 199886), (170, 188128), (272, 117580), (320, 99943), (340, 94064), (544, 58790), (680, 47032), (1088, 29395), (1360, 23516), (2720, 11758), (5440, 5879)]