13279720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 32270400

約数和(自身を除く): 18990680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 331, 340, 472, 590, 662, 680, 1003, 1180, 1324, 1655, 2006, 2360, 2648, 3310, 4012, 5015, 5627, 6620, 8024, 10030, 11254, 13240, 19529, 20060, 22508, 28135, 39058, 40120, 45016, 56270, 78116, 97645, 112540, 156232, 195290, 225080, 331993, 390580, 663986, 781160, 1327972, 1659965, 2655944, 3319930, 6639860, 13279720]

約数ペア:

[(1, 13279720), (2, 6639860), (4, 3319930), (5, 2655944), (8, 1659965), (10, 1327972), (17, 781160), (20, 663986), (34, 390580), (40, 331993), (59, 225080), (68, 195290), (85, 156232), (118, 112540), (136, 97645), (170, 78116), (236, 56270), (295, 45016), (331, 40120), (340, 39058), (472, 28135), (590, 22508), (662, 20060), (680, 19529), (1003, 13240), (1180, 11254), (1324, 10030), (1655, 8024), (2006, 6620), (2360, 5627), (2648, 5015), (3310, 4012)]