13201240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 19457960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 479, 520, 530, 689, 958, 1060, 1378, 1916, 2120, 2395, 2756, 3445, 3832, 4790, 5512, 6227, 6890, 9580, 12454, 13780, 19160, 24908, 25387, 27560, 31135, 49816, 50774, 62270, 101548, 124540, 126935, 203096, 249080, 253870, 330031, 507740, 660062, 1015480, 1320124, 1650155, 2640248, 3300310, 6600620, 13201240]

約数ペア:

[(1, 13201240), (2, 6600620), (4, 3300310), (5, 2640248), (8, 1650155), (10, 1320124), (13, 1015480), (20, 660062), (26, 507740), (40, 330031), (52, 253870), (53, 249080), (65, 203096), (104, 126935), (106, 124540), (130, 101548), (212, 62270), (260, 50774), (265, 49816), (424, 31135), (479, 27560), (520, 25387), (530, 24908), (689, 19160), (958, 13780), (1060, 12454), (1378, 9580), (1916, 6890), (2120, 6227), (2395, 5512), (2756, 4790), (3445, 3832)]