27703880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 39014200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 311, 340, 524, 622, 655, 680, 1048, 1244, 1310, 1555, 2227, 2488, 2620, 3110, 4454, 5240, 5287, 6220, 8908, 10574, 11135, 12440, 17816, 21148, 22270, 26435, 40741, 42296, 44540, 52870, 81482, 89080, 105740, 162964, 203705, 211480, 325928, 407410, 692597, 814820, 1385194, 1629640, 2770388, 3462985, 5540776, 6925970, 13851940, 27703880]

約数ペア:

[(1, 27703880), (2, 13851940), (4, 6925970), (5, 5540776), (8, 3462985), (10, 2770388), (17, 1629640), (20, 1385194), (34, 814820), (40, 692597), (68, 407410), (85, 325928), (131, 211480), (136, 203705), (170, 162964), (262, 105740), (311, 89080), (340, 81482), (524, 52870), (622, 44540), (655, 42296), (680, 40741), (1048, 26435), (1244, 22270), (1310, 21148), (1555, 17816), (2227, 12440), (2488, 11135), (2620, 10574), (3110, 8908), (4454, 6220), (5240, 5287)]